PAKET UMROH BULAN FEBRUARI MARET APRIL MEI 2017

Garut adalah salah satu penghasil jaket kulit terbaik di Indonesia. Produk jaket kulit di Garut dihasilkan dari pusat peternakan domba yang tersebar di seluruh Kabupaten Garut - Jawa Barat, jika tertarik dengan jaket kulit ini, datang saja ke sentra kerajinan jaket kulit Garut. Sentra kerajinan jaket kulit ini sudah cukup terkenal, bahkan sampai ke mancanegara. Ini bisa dilihat dari banyaknya produk jaket kulit Garut yang diekspor ke luar negeri. Desain dan motif yang digunakan pada jaket kulit Garut sangat beragam dan modern. Tidak monoton itu-itu saja, jadi selalu menarik untuk dilihat dan dibeli. Saat memasuki kawasan sentra kerajinan jaket kulit Garut, Anda akan melihat ada banyak jejeran toko yang menjual jaket kulit. Mulai jaket laki-laki, perempuan, dewasa dan anak kecil ada di sini. Model yang ditawarkan pun bervariasi. Pasti membuat pengunjung bingung untuk memilih karena banyak macamnya dari jaket kulit berbahan dasar kulit domba, kambing ataupun sapi, masuklah ke dalam toko dan Anda pun bisa melihat aneka barang dari kulit yang dijual. 

saco-indonesia.com, Berdasarkan hasil telaah dari Tim Pengamat Pemasyarakatan Direktorat Jenderal Pemasyarakatan, terpidana kasus narkotika asal Australia, Schapelle Leigh Corby telah mendapat pembebasan bersyarat.

Direktur Eksekutif LKPM (Lembaga Kajian Politik Univ.Prov.Dr. Moestopo), Didik Triana juga mengatakan partai penguasa, yaitu Partai Demokrat, akan terkena "getah" dari sikap pemerintah.

"Masyarakat kita bisa melihat sikap yang tidak tegas dari Presiden Susilo Bambang Yudhoyono (SBY). Hal tersebut tentu saja akan dapat berpengaruh terhadap simpati publik terhadap Partai Demokrat pada pemilu 2014," kata Didik, Senin (10/2/2014).

Dia juga telah menilai sikap pemerintah yang tidak komit terhadap pemberantasan narkoba di indonesia. Hal tersebut jauh dari harapan Indonesia bebas dari narkoba. Pembebasan Corby telah terkesan bahwa pemerintah telah memberi sinyal aman bagi bandar narkoba internasional, untuk dapat membuka pasar di Indonesia.

"Sebagai kepala negara, SBY haruslah bersikap komit, apalagi masalah narkoba bisa dibilang permasalahan yang sangat serius. Bisa kita lihat dari jumlah peredarannya dan efek negatifnya yang dari tahun ke tahun jumlahnya sangat meningkat. Saya lihat tidak ada keseriusan dari pemerintah untuk benar-benar memerangi narkoba," paparnya.

Pembebasan bersyarat untuk Corby telah dinilai akan mencoreng nama Indonesia di mata Internasional.

"Jelas sangat mempermalukan Indonesia di mata dunia, sudah jelas melalui inpresnya SBY sudah sangat tegas menyatakan keseriusannya dalam memerangi narkoba. Tapi pada kenyataanya hal itu berbanding terbalik dari kenyataan dan realitanya. Ibarat ucapan dan tindakan yang tidak sama.

Hal inilah yang saya maksud kasus pembebasan bersyarat corby sama saja mempermalukan negara," tutupnya.

Editor : Dian Sukmawati

Bekasi, Saco-Indonesia.com - Semakin melemahnya nilai tukar rupiah terhadap dollar AS pun berimbas langsung pada para pengusaha. Usaha mereka terhambat akibat dampak depresiasi tersebut.

Ketua Himpunan Pengusaha Muda Indonesia (HIPMI) Jaya periode 2011-2014 Andhika Anindyaguna mengatakan sebenarnya pengusaha merasakan dampak pelemahan rupiah. Akan tetapi, pengusaha pun terkena imbas-imbas lain, seperti inflasi.

"Inflasi kita kan tinggi. Kemarin pertengahan 2013 pemerintah menaikkan harga BBM. Otomatis harga-harga bahan pokok lainnya ikut meningkat," kata Andhika di Jakarta, Sabtu (11/1/2014).

Andhika menjelaskan inflasi yang menembus angka 8,38 persen itu tentu saja berdampak pada pengusaha. Sebab, harga-harga bahan baku pun ikut melonjak yang membuat pengusaha kewalahan memproduksi.

Selain itu, kenaikan harga elpiji ukuran 12 kilogram, meski direvisi, pun ikut memberi dampak. "Jadi memang kondisi ekonomi kita kurang baik. Harapannya bisa dijadikan PR yang harus diurus, mengingat 2014 merupakan tahun politik. Jangan sampai keadaan ekonomi makin jelek," ujarnya.

Andhika mengaku, yang menjadi kekhawatiran utama sebenarnya adalah terlalu besarnya volume impor yang membuat rupiah melemah.

"Rupiah kita terus melemah karena tingginya permintaan dolar karena impor yang terlalu banyak. Ini yang menjadi kekhawatiran kami," kata dia.

Sumber:Kompas.com

Editor : Maulana Lee

saco-indonesia.com,
    
Cara Memilih Material Pipa

"PIPA SEAMLESS" Material pipa ada berbagai jenis. Bagaimana cara untuk menentukan material yang harus digunakan? Untuk dapat menentukan material, terutama untuk bidang industri, faktor yang paling penting adalah fluida apa yang akan mengalir didalamnya. Selain itu, kondisi luar dari pipa juga akan mempengaruhi. Dan terakhir, tentu saja dalam sisi ekonomi juga akan menjadi dasar pemilihan material.
Pipa juga dapat dibagi menjadi 2 bagian besar. Pipa dari logam dan non-logam. Logam telah terdiri dari carbon steel, stainless steel, aluminium, nickel dan lainnya. Berikut ini adalah contoh dalam desain pipa untuk pabrik industri gas alam, minyak, atau pabrik kimia lainnya.
Pertama, insinyur proses harus bisa menghitung apa dan berapa banyak macam kandungan yang akan melewati pipa. Pada dasarnya, semua pipa untuk proses biasanya harus memakai pipa logam dan dimulai dari material carbon steel yang paling murah.
Akibat aliran fluida, bagian dalam pipa akan mengalami korosi, dan salah satu cara untuk dapat menetapkan kecepatan korosi adalah memakai grafik de Waard – Milliams nomograph. Grafik ini membantu untuk dapat menentukan berapa kecepatan korosi (mm/tahun) yang telah disebabkan adanya kandungan CO2 dalam fluida.
Problem disebabkan korosi juga dapat diatasi dengan menambah ketebalan pipa sebesar kecepatan korosi dikali tahun lamanya pabrik didesain. Tetapi, jika total ketebalan yang dibutuhkan untuk dapat mengatasi korosi itu terlalu tebal, pipa akan menjadi sangat tebal dan tidak efektif dalam pembangunannya. Untuk keadaan ini, pipa dari stainless steel telah menjadi pilihan selanjutnya.
Selain korosi, suhu fluida juga dapat menentukan material pipa. Semakin rendah suhu, logam akan menjadi mudah mengalami retakan. Ini karena sifat brittle (getas)  logam bertambah pada suhu rendah . Stainless steel merupakan salah satu yang tahan akan suhu rendah. Karena itu, untuk cryogenic service (fluida dengan suhu operasi dibawah -196 degC) stainless steel adalah material yang cocok dibandingkan dengan carbon steel.
Stainless steel sering disebut juga corrosion resistance alloy (campuran logam tahan korosi) dan tentunya akan lebih mahal jika dibandingkan carbon steel. Stainless steel bisa dibagi menjadi beberapa jenis, contohnya austenitic, feritic, martenistic, duplex dan high alloy stainless steel (campuran tinggi logam stainless steel). Sayangnya, stainless steel tidak tahan terhadap semua jenis korosi, terutama korosi yang disebabkan oleh klorida, sulfida serta fluida asam (sour fluid) lainnya.
Untuk sistem pipa yang mengalirkan fluida asam (piping system for sour service) biasanya di desain berdasarkan standar NACE (National Association of Corrosion Engineers) MR0175. Mulai tahun 2003, standar NACE MR0175 bersatu dengan ISO 15156 dan yang telah memiliki syarat desain yang sulit dibandingkan edisi tahun sebelumnya.

Berdasarkan NACE MR0175/ISO 15156, penggunaan austenitic stainless steel telah dibatasi oleh kombinasi dari kadar khlorida, H2S (hydrogen sulfide) dan suhu fluida. Jika austenitic stainless steel tidak dapat digunakan, maka penggunaan duplex atau high alloy stainless steel merupakan pilihan selanjutnya. Jika duplex atau high alloy stainless steel juga tidak dapat digunakan, maka pilihan selanjutnya adalah menggunakan logam campuran nikel seperti incoloy dan inconel.
Semakin tahan terhadap berbagai korosi, semakin mahal harga material tersebut. Untuk dapat mengurangi biaya, pengaplikasian cladding atau overlay juga merupakan salah satu alternatif. Misalnya dengan menggunakan pipa dari carbon steel dengan dilapisi logam mahal pada bagian dalamnya saja yang bersentuhan langsung dengan fluida sumber korosi akan bisa menekan biaya tanpa mengurangi ketahanan terhadap korosi.
Pemilihan material ini bukan hanya untuk pipa, tetapi juga berlaku untuk bejana (vessel), katup (valve) dan elemen pipa lainnya. Untuk katup, walaupun material dari badan katup bisa memakai carbon steel, tetapi bagian dimana korosi tidak diperbolehkan untuk dapat menjaga kemampuan katup untuk menyekat (sering disebut sebagai trim, seperti bagian valve seat, stem dan lainnya), maka penggunaan stainless steel atau logam tahan korosi lainnya menjadi keharusan.
Pada saat melakukan pemilihan material yang sebenarnya, mungkin tidak akan semudah yang dijabarkan diatas, tetapi secara umum, begitulah proses pemilihan material pada saat mendesain pabrik industri.

Editor : Dian Sukmawati

Polsek Lape Tengah menyelidiki kasus perusakan tempat tinggal SY yang terletak di Dusun Lape Atas, Kecamatan Lape, Sumbawa, Nusa Tenggara Barat. Rumah SY yang telah dirusak oleh warga karena dicurigai jika dirinya adalah seorang dukun santet.

"Kecurigaan kalau SY itu dukun santet tidak terbukti. Akan tetapi massa sudah terlanjur merusak rumah dengan cara melempari menggunakan batu," kata Kapolsek Lape AKP Satrio , Selasa (18/3).

Saat perusakan itu terjadi pada Selasa (11/3) malam lalu, ujar pria yang akrab dipanggil dengan Yoyo, SY bersama istri dan lima orang anaknya juga sempat diamankan, karena dikhawatirkan akan berisiko terhadap keselamatan jiwanya.

Kemudian ditindaklanjuti dengan pertemuan antara SY dan warga, yang difasilitasi Kepala Desa Lape Johar Arifin. Dalam pertemuan itu telah terungkap kalau SY tidak pernah mengikuti kegiatan warga termasuk gotong-royong, sehingga memunculkan rasa antipati terhadapnya.

Namun persoalan gotong-royong, kata Yoyo, bukan menjadi ranahnya. Pihaknya juga akan menangani kasus yang berkaitan dengan tindak pidana.

"Kami juga sudah menerima laporan SY terkait dalam aksi perusakan dan telah ditindaklanjuti dengan mendatangi lokasi untuk melakukan olah TKP," ujarnya, seraya mengatakan surat panggilan telah dilayangkan kepada sejumlah saksi untuk dapat dimintai keterangannya pada Selasa (18/3) mendatang.

Disinggung keberadaan SY beserta keluarganya pasca perusakan itu, Kapolsek Lape telah menyatakan, untuk sementara ini menumpang di rumah salah seorang warga.

Sebelumnya, tempat tinggal SY dihujani batu oleh masyarakat pada Selasa malam. Aksi massa ini karena dipicu adanya isu kalau SY memiliki ilmu santet.

Untuk dapat menetralisir situasi Kades Lape beserta aparat kepolisian dan TNI terjun ke lapangan, sekaligus mengamankan terduga beserta keluarganya. Pertemuan pun digelar dengan menghadirkan SY.

Dalam pertemuan yang telah dihadiri sejumlah unsur itu, massa tetap meminta agar SY hengkang dari kampung tersebut.

Di lain pihak, SY telah membantah menganut ilmu hitam sebagaimana tuduhan warga. "Saya tidak menganut ilmu hitam dan saya berani bersumpah atas apapun, meski harus sumpah pocong sekalipun. Tudingan ini adalah fitnah," ujarnya.

SY juga mengaku tudingan ini telah dilaporkan kepada ketua RT dan kepala dusun (Kadus) serta ke Kapolsek Lape, Selasa sore. Namun malam harinya, sekitar pukul 21.00 Wita, rumahnya telah dihujani batu.

SY juga mengaku terpaksa angkat kaki dari dusun ini dan telah mengemasi seluruh barangnya, sebab rumah yang ditempatinya sudah hancur dilempari massa.

Mr. Lechleider helped invent DSL technology, which enabled phone companies to offer high-speed web access over their infrastructure of copper wires.

From sea to shining sea, or at least from one side of the Hudson to the other, politicians you have barely heard of are being accused of wrongdoing. There were so many court proceedings involving public officials on Monday that it was hard to keep up.

In Newark, two underlings of Gov. Chris Christie were arraigned on charges that they were in on the truly deranged plot to block traffic leading onto the George Washington Bridge.

Ten miles away, in Lower Manhattan, Dean G. Skelos, the leader of the New York State Senate, and his son, Adam B. Skelos, were arrested by the Federal Bureau of Investigation on accusations of far more conventional political larceny, involving a job with a sewer company for the son and commissions on title insurance and bond work.

The younger man managed to receive a 150 percent pay increase from the sewer company even though, as he said on tape, he “literally knew nothing about water or, you know, any of that stuff,” according to a criminal complaint the United States attorney’s office filed.

The success of Adam Skelos, 32, was attributed by prosecutors to his father’s influence as the leader of the Senate and as a potentate among state Republicans. The indictment can also be read as one of those unfailingly sad tales of a father who cannot stop indulging a grown son. The senator himself is not alleged to have profited from the schemes, except by being relieved of the burden of underwriting Adam.

The bridge traffic caper is its own species of crazy; what distinguishes the charges against the two Skeloses is the apparent absence of a survival instinct. It is one thing not to know anything about water or that stuff. More remarkable, if true, is the fact that the sewer machinations continued even after the former New York Assembly speaker, Sheldon Silver, was charged in January with taking bribes disguised as fees.

It was by then common gossip in political and news media circles that Senator Skelos, a Republican, the counterpart in the Senate to Mr. Silver, a Democrat, in the Assembly, could be next in line for the criminal dock. “Stay tuned,” the United States attorney, Preet Bharara said, leaving not much to the imagination.

Even though the cat had been unmistakably belled, Skelos father and son continued to talk about how to advance the interests of the sewer company, though the son did begin to use a burner cellphone, the kind people pay for in cash, with no traceable contracts.

That was indeed prudent, as prosecutors had been wiretapping the cellphones of both men. But it would seem that the burner was of limited value, because by then the prosecutors had managed to secure the help of a business executive who agreed to record calls with the Skeloses. It would further seem that the business executive was more attentive to the perils of pending investigations than the politician.

Through the end of the New York State budget negotiations in March, the hopes of the younger Skelos rested on his father’s ability to devise legislation that would benefit the sewer company. That did not pan out. But Senator Skelos did boast that he had haggled with Gov. Andrew M. Cuomo, a Democrat, in a successful effort to raise a $150 million allocation for Long Island to $550 million, for what the budget called “transformative economic development projects.” It included money for the kind of work done by the sewer company.

The lawyer for Adam Skelos said he was not guilty and would win in court. Senator Skelos issued a ringing declaration that he was unequivocally innocent.

THIS was also the approach taken in New Jersey by Bill Baroni, a man of great presence and eloquence who stopped outside the federal courthouse to note that he had taken risks as a Republican by bucking his party to support paid family leave, medical marijuana and marriage equality. “I would never risk my career, my job, my reputation for something like this,” Mr. Baroni said. “I am an innocent man.”

The lawyer for his co-defendant, Bridget Anne Kelly, the former deputy chief of staff to Mr. Christie, a Republican, said that she would strongly rebut the charges.

Perhaps they had nothing to do with the lane closings. But neither Mr. Baroni nor Ms. Kelly addressed the question of why they did not return repeated calls from the mayor of Fort Lee, N.J., begging them to stop the traffic tie-ups, over three days.

That silence was a low moment. But perhaps New York hit bottom faster. Senator Skelos, the prosecutors charged, arranged to meet Long Island politicians at the wake of Wenjian Liu, a New York City police officer shot dead in December, to press for payments to the company employing his son.

Sometimes it seems as though for some people, the only thing to be ashamed of is shame itself.

WASHINGTON — The former deputy director of the C.I.A. asserts in a forthcoming book that Republicans, in their eagerness to politicize the killing of the American ambassador to Libya, repeatedly distorted the agency’s analysis of events. But he also argues that the C.I.A. should get out of the business of providing “talking points” for administration officials in national security events that quickly become partisan, as happened after the Benghazi attack in 2012.

The official, Michael J. Morell, dismisses the allegation that the United States military and C.I.A. officers “were ordered to stand down and not come to the rescue of their comrades,” and he says there is “no evidence” to support the charge that “there was a conspiracy between C.I.A. and the White House to spin the Benghazi story in a way that would protect the political interests of the president and Secretary Clinton,” referring to the secretary of state at the time, Hillary Rodham Clinton.

But he also concludes that the White House itself embellished some of the talking points provided by the Central Intelligence Agency and had blocked him from sending an internal study of agency conclusions to Congress.

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“I finally did so without asking,” just before leaving government, he writes, and after the White House released internal emails to a committee investigating the State Department’s handling of the issue.

A lengthy congressional investigation remains underway, one that many Republicans hope to use against Mrs. Clinton in the 2016 election cycle.

In parts of the book, “The Great War of Our Time” (Twelve), Mr. Morell praises his C.I.A. colleagues for many successes in stopping terrorist attacks, but he is surprisingly critical of other C.I.A. failings — and those of the National Security Agency.

Soon after Mr. Morell retired in 2013 after 33 years in the agency, President Obama appointed him to a commission reviewing the actions of the National Security Agency after the disclosures of Edward J. Snowden, a former intelligence contractor who released classified documents about the government’s eavesdropping abilities. Mr. Morell writes that he was surprised by what he found.

“You would have thought that of all the government entities on the planet, the one least vulnerable to such grand theft would have been the N.S.A.,” he writes. “But it turned out that the N.S.A. had left itself vulnerable.”

He concludes that most Wall Street firms had better cybersecurity than the N.S.A. had when Mr. Snowden swept information from its systems in 2013. While he said he found himself “chagrined by how well the N.S.A. was doing” compared with the C.I.A. in stepping up its collection of data on intelligence targets, he also sensed that the N.S.A., which specializes in electronic spying, was operating without considering the implications of its methods.

“The N.S.A. had largely been collecting information because it could, not necessarily in all cases because it should,” he says.

The book is to be released next week.

Mr. Morell was a career analyst who rose through the ranks of the agency, and he ended up in the No. 2 post. He served as President George W. Bush’s personal intelligence briefer in the first months of his presidency — in those days, he could often be spotted at the Starbucks in Waco, Tex., catching up on his reading — and was with him in the schoolhouse in Florida on the morning of Sept. 11, 2001, when the Bush presidency changed in an instant.

Mr. Morell twice took over as acting C.I.A. director, first when Leon E. Panetta was appointed secretary of defense and then when retired Gen. David H. Petraeus resigned over an extramarital affair with his biographer, a relationship that included his handing her classified notes of his time as America’s best-known military commander.

Mr. Morell says he first learned of the affair from Mr. Petraeus only the night before he resigned, and just as the Benghazi events were turning into a political firestorm. While praising Mr. Petraeus, who had told his deputy “I am very lucky” to run the C.I.A., Mr. Morell writes that “the organization did not feel the same way about him.” The former general “created the impression through the tone of his voice and his body language that he did not want people to disagree with him (which was not true in my own interaction with him),” he says.

But it is his account of the Benghazi attacks — and how the C.I.A. was drawn into the debate over whether the Obama White House deliberately distorted its account of the death of Ambassador J. Christopher Stevens — that is bound to attract attention, at least partly because of its relevance to the coming presidential election. The initial assessments that the C.I.A. gave to the White House said demonstrations had preceded the attack. By the time analysts reversed their opinion, Susan E. Rice, now the national security adviser, had made a series of statements on Sunday talk shows describing the initial assessment. The controversy and other comments Ms. Rice made derailed Mr. Obama’s plan to appoint her as secretary of state.

The experience prompted Mr. Morell to write that the C.I.A. should stay out of the business of preparing talking points — especially on issues that are being seized upon for “political purposes.” He is critical of the State Department for not beefing up security in Libya for its diplomats, as the C.I.A., he said, did for its employees.

But he concludes that the assault in which the ambassador was killed took place “with little or no advance planning” and “was not well organized.” He says the attackers “did not appear to be looking for Americans to harm. They appeared intent on looting and conducting some vandalism,” setting fires that killed Mr. Stevens and a security official, Sean Smith.

Mr. Morell paints a picture of an agency that was struggling, largely unsuccessfully, to understand dynamics in the Middle East and North Africa when the Arab Spring broke out in late 2011 in Tunisia. The agency’s analysts failed to see the forces of revolution coming — and then failed again, he writes, when they told Mr. Obama that the uprisings would undercut Al Qaeda by showing there was a democratic pathway to change.

“There is no good explanation for our not being able to see the pressures growing to dangerous levels across the region,” he writes. The agency had again relied too heavily “on a handful of strong leaders in the countries of concern to help us understand what was going on in the Arab street,” he says, and those leaders themselves were clueless.

Moreover, an agency that has always overvalued secretly gathered intelligence and undervalued “open source” material “was not doing enough to mine the wealth of information available through social media,” he writes. “We thought and told policy makers that this outburst of popular revolt would damage Al Qaeda by undermining the group’s narrative,” he writes.

Instead, weak governments in Egypt, and the absence of governance from Libya to Yemen, were “a boon to Islamic extremists across both the Middle East and North Africa.”

Mr. Morell is gentle about most of the politicians he dealt with — he expresses admiration for both Mr. Bush and Mr. Obama, though he accuses former Vice President Dick Cheney of deliberately implying a connection between Al Qaeda and Iraq that the C.I.A. had concluded probably did not exist. But when it comes to the events leading up to the Bush administration’s decision to go to war in Iraq, he is critical of his own agency.

Mr. Morell concludes that the Bush White House did not have to twist intelligence on Saddam Hussein’s alleged effort to rekindle the country’s work on weapons of mass destruction.

“The view that hard-liners in the Bush administration forced the intelligence community into its position on W.M.D. is just flat wrong,” he writes. “No one pushed. The analysts were already there and they had been there for years, long before Bush came to office.”

Mr. King sang for the Drifters and found success as a solo performer with hits like “Spanish Harlem.”

Hockey is not exactly known as a city game, but played on roller skates, it once held sway as the sport of choice in many New York neighborhoods.

“City kids had no rinks, no ice, but they would do anything to play hockey,” said Edward Moffett, former director of the Long Island City Y.M.C.A. Roller Hockey League, in Queens, whose games were played in city playgrounds going back to the 1940s.

From the 1960s through the 1980s, the league had more than 60 teams, he said. Players included the Mullen brothers of Hell’s Kitchen and Dan Dorion of Astoria, Queens, who would later play on ice for the National Hockey League.

One street legend from the heyday of New York roller hockey was Craig Allen, who lived in the Woodside Houses projects and became one of the city’s hardest hitters and top scorers.

“Craig was a warrior, one of the best roller hockey players in the city in the ’70s,” said Dave Garmendia, 60, a retired New York police officer who grew up playing with Mr. Allen. “His teammates loved him and his opponents feared him.”

Young Craig took up hockey on the streets of Queens in the 1960s, playing pickup games between sewer covers, wearing steel-wheeled skates clamped onto school shoes and using a roll of electrical tape as the puck.

His skill and ferocity drew attention, Mr. Garmendia said, but so did his skin color. He was black, in a sport made up almost entirely by white players.

“Roller hockey was a white kid’s game, plain and simple, but Craig broke the color barrier,” Mr. Garmendia said. “We used to say Craig did more for race relations than the N.A.A.C.P.”

Mr. Allen went on to coach and referee roller hockey in New York before moving several years ago to South Carolina. But he continued to organize an annual alumni game at Dutch Kills Playground in Long Island City, the same site that held the local championship games.

The reunion this year was on Saturday, but Mr. Allen never made it. On April 26, just before boarding the bus to New York, he died of an asthma attack at age 61.

Word of his death spread rapidly among hundreds of his old hockey colleagues who resolved to continue with the event, now renamed the Craig Allen Memorial Roller Hockey Reunion.

The turnout on Saturday was the largest ever, with players pulling on their old equipment, choosing sides and taking once again to the rink of cracked blacktop with faded lines and circles. They wore no helmets, although one player wore a fedora.

Another, Vinnie Juliano, 77, of Long Island City, wore his hearing aids, along with his 50-year-old taped-up quads, or four-wheeled skates with a leather boot. Many players here never converted to in-line skates, and neither did Mr. Allen, whose photograph appeared on a poster hanging behind the players’ bench.

“I’m seeing people walking by wondering why all these rusty, grizzly old guys are here playing hockey,” one player, Tommy Dominguez, said. “We’re here for Craig, and let me tell you, these old guys still play hard.”

Everyone seemed to have a Craig Allen story, from his earliest teams at Public School 151 to the Bryant Rangers, the Woodside Wings, the Woodside Blues and more.

Mr. Allen, who became a yellow-cab driver, was always recruiting new talent. He gained the nickname Cabby for his habit of stopping at playgrounds all over the city to scout players.

Teams were organized around neighborhoods and churches, and often sponsored by local bars. Mr. Allen, for one, played for bars, including Garry Owen’s and on the Fiddler’s Green Jokers team in Inwood, Manhattan.

Play was tough and fights were frequent.

“We were basically street gangs on skates,” said Steve Rogg, 56, a mail clerk who grew up in Jackson Heights, Queens, and who on Saturday wore his Riedell Classic quads from 1972. “If another team caught up with you the night before a game, they tossed you a beating so you couldn’t play the next day.”

Mr. Garmendia said Mr. Allen’s skin color provoked many fights.

“When we’d go to some ignorant neighborhoods, a lot of players would use slurs,” Mr. Garmendia said, recalling a game in Ozone Park, Queens, where local fans parked motorcycles in a lineup next to the blacktop and taunted Mr. Allen. Mr. Garmendia said he checked a player into the motorcycles, “and the bikes went down like dominoes, which started a serious brawl.”

A group of fans at a game in Brooklyn once stuck a pole through the rink fence as Mr. Allen skated by and broke his jaw, Mr. Garmendia said, adding that carloads of reinforcements soon arrived to defend Mr. Allen.

And at another racially incited brawl, the police responded with six patrol cars and a helicopter.

Before play began on Saturday, the players gathered at center rink to honor Mr. Allen. Billy Barnwell, 59, of Woodside, recalled once how an all-white, all-star squad snubbed Mr. Allen by playing him third string. He scored seven goals in the first game and made first string immediately.

“He’d always hear racial stuff before the game, and I’d ask him, ‘How do you put up with that?’” Mr. Barnwell recalled. “Craig would say, ‘We’ll take care of it,’ and by the end of the game, he’d win guys over. They’d say, ‘This guy’s good.’”

As governor, Mr. Walker alienated Republicans and his fellow Democrats, particularly the Democratic powerhouse Richard J. Daley, the mayor of Chicago.

Fullmer, who reigned when fight clubs abounded and Friday night fights were a television staple, was known for his title bouts with Sugar Ray Robinson and Carmen Basilio.

Pronovost, who played for the Red Wings, was not a prolific scorer, but he was a consummate team player with bruising checks and fearless bursts up the ice that could puncture a defense.

BALTIMORE — In the afternoons, the streets of Locust Point are clean and nearly silent. In front of the rowhouses, potted plants rest next to steps of brick or concrete. There is a shopping center nearby with restaurants, and a grocery store filled with fresh foods.

And the National Guard and the police are largely absent. So, too, residents say, are worries about what happened a few miles away on April 27 when, in a space of hours, parts of this city became riot zones.

“They’re not our reality,” Ashley Fowler, 30, said on Monday at the restaurant where she works. “They’re not what we’re living right now. We live in, not to be racist, white America.”

As Baltimore considers its way forward after the violent unrest brought by the death of Freddie Gray, a 25-year-old black man who died of injuries he suffered while in police custody, residents in its predominantly white neighborhoods acknowledge that they are sometimes struggling to understand what beyond Mr. Gray’s death spurred the turmoil here. For many, the poverty and troubled schools of gritty West Baltimore are distant troubles, glimpsed only when they pass through the area on their way somewhere else.

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And so neighborhoods of Baltimore are facing altogether different reckonings after Mr. Gray’s death. In mostly black communities like Sandtown-Winchester, where some of the most destructive rioting played out last week, residents are hoping businesses will reopen and that the police will change their strategies. But in mostly white areas like Canton and Locust Point, some residents wonder what role, if any, they should play in reimagining stretches of Baltimore where they do not live.

“Most of the people are kind of at a loss as to what they’re supposed to do,” said Dr. Richard Lamb, a dentist who has practiced in the same Locust Point office for nearly 39 years. “I listen to the news reports. I listen to the clergymen. I listen to the facts of the rampant unemployment and the lack of opportunities in the area. Listen, I pay my taxes. Exactly what can I do?”

And in Canton, where the restaurants have clever names like Nacho Mama’s and Holy Crepe Bakery and Café, Sara Bahr said solutions seemed out of reach for a proudly liberal city.

“I can only imagine how frustrated they must be,” said Ms. Bahr, 36, a nurse who was out with her 3-year-old daughter, Sally. “I just wish I knew how to solve poverty. I don’t know what to do to make it better.”

The day of unrest and the overwhelmingly peaceful demonstrations that followed led to hundreds of arrests, often for violations of the curfew imposed on the city for five consecutive nights while National Guard soldiers patrolled the streets. Although there were isolated instances of trouble in Canton, the neighborhood association said on its website, many parts of southeast Baltimore were physically untouched by the tumult.

Tensions in the city bubbled anew on Monday after reports that the police had wounded a black man in Northwest Baltimore. The authorities denied those reports and sent officers to talk with the crowds that gathered while other officers clutching shields blocked traffic at Pennsylvania and West North Avenues.

Lt. Col. Melvin Russell, a community police officer, said officers had stopped a man suspected of carrying a handgun and that “one of those rounds was spent.”

Colonel Russell said officers had not opened fire, “so we couldn’t have shot him.”

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The colonel said the man had not been injured but was taken to a hospital as a precaution. Nearby, many people stood in disbelief, despite the efforts by the authorities to quash reports they described as “unfounded.”

Monday’s episode was a brief moment in a larger drama that has yielded anger and confusion. Although many people said they were familiar with accounts of the police harassing or intimidating residents, many in Canton and Locust Point said they had never experienced it themselves. When they watched the unrest, which many protesters said was fueled by feelings that they lived only on Baltimore’s margins, even those like Ms. Bahr who were pained by what they saw said they could scarcely comprehend the emotions associated with it.

But others, like Lambi Vasilakopoulos, who runs a casual restaurant in Canton, said they were incensed by what unfolded last week.

“What happened wasn’t called for. Protests are one thing; looting is another thing,” he said, adding, “We’re very frustrated because we’re the ones who are going to pay for this.”

There were pockets of optimism, though, that Baltimore would enter a period of reconciliation.

“I’m just hoping for peace,” Natalie Boies, 53, said in front of the Locust Point home where she has lived for 50 years. “Learn to love each other; be patient with each other; find justice; and care.”

A skeptical Mr. Vasilakopoulos predicted tensions would worsen.

“It cannot be fixed,” he said. “It’s going to get worse. Why? Because people don’t obey the laws. They don’t want to obey them.”

But there were few fears that the violence that plagued West Baltimore last week would play out on these relaxed streets. The authorities, Ms. Fowler said, would make sure of that.

“They kept us safe here,” she said. “I didn’t feel uncomfortable when I was in my house three blocks away from here. I knew I was going to be O.K. because I knew they weren’t going to let anyone come and loot our properties or our businesses or burn our cars.”

ate in February, Dr. Ben Carson, the celebrated pediatric neurosurgeon turned political insurrectionist, was trying to check off another box on his presidential-campaign to-do list: hiring a press secretary. The lead prospect, a public-relations specialist named Deana Bass, had come to meet him at the dimly lit Capitol Hill office of Carson’s confidant and business manager, Armstrong Williams. Carson sat back and scrutinized her from behind a small granite table, as life-size cardboard cutouts of more conventional politicians — President Obama, with a tight smile, and Senator John McCain, glowering — loomed behind each of his shoulders. (The mock $3 bill someone had left on a table in Williams’s waiting room undercut any notion that this was a bipartisan zone; it featured Obama wearing a turban.)

Bass seemed momentarily speechless, and not just because no one had warned her that a New York Times reporter would be sitting in on her job interview. Though she knew Williams — a jack-of-all-trades entrepreneur who owns several television stations and a public-affairs business and who hosts a daily talk-radio show — through Washington’s small circle of black conservatives, the two hadn’t spoken in years until he called her two days earlier. He had been struggling to come up with the perfect national spokesperson, he told her. Then, at the gym, her name popped into his head; Williams was fairly certain she was the one. Sitting across from a likely candidate for president, Bass was adjusting to the idea that her life might be about to take a sudden chaotic turn.

“It’s like getting the most random call on a Monday that you simply do not see coming,” she said. “Oftentimes, that is how the Lord works.”

Carson concurred: “It’s always how he works in my life.” Carson is soft-spoken and often talks with his eyes half closed, frequently punctuating his sentences with a small laugh, even if the humor of his statement is not readily apparent. Bass told Carson that she had been a Republican staff member on Capitol Hill then worked for the Republican National Committee. In 2007 she started a Christian public-relations firm with her sister. She enjoyed working on the Hill, she said, but the pay wasn’t as high as the hours were long. “We figured that we worked like slaves for other people, and we wanted to work for ourselves.”

Carson stopped her. “You know you can’t mention that word, right?” Carson waited a beat, then laughed, and Williams and Bass joined in. He was getting to the point; he needed a professional who could help him check his penchant for creating uncontrolled controversy just by talking.

The Ben Carson movement began in 2013, when Carson, a neurosurgeon, whose operating-room prowess and up-from-poverty back story had made him the subject of a television movie and a regular on the inspirational-speaking circuit, was invited to address the annual National Prayer Breakfast in Washington. With Barack Obama sitting just two seats away, Carson warned that “moral decay” and “fiscal irresponsibility” could destroy America just as it did ancient Rome. He proposed a substitute for Obamacare — Health Savings Accounts, which, he said, would end any talk of “death panels” — and a flat-tax based on the concept of tithing. His address, combined with the president’s stony reaction, was a smash with Republican activists. Speaking and interview requests flooded in. Carson, then 61, announced his planned retirement a few weeks later, freeing his calendar to accept just about all of them. In the months that followed, his rhetoric became increasingly strident. The claim that drew the most attention, perhaps, was that Obamacare was “the worst thing that has happened in this nation since slavery.”

Bass’s own use of the word prompted Carson to ask her what she thought about that incident. She considered for a moment.

“If you want to reach people and have them even understand what you’re saying, there is a way to do it, without that hyperbole, that might be. . . . ” She paused. “I just think it’s important not to shut people off before they —”

Carson jumped in. “That doesn’t allow them to hear what you’re saying?”

Bass nodded.

Likening Obamacare to slavery — and slavery was incomparably worse, Carson said — had its political advantages for a candidacy like his. It was the kind of statement that stoked the angriest of the Republican voters: conservative stalwarts who can’t hear enough bad things about Obama. This, in turn, led to more talk-radio and Fox News appearances, more book sales, more donations to the super PAC started in his name, more support in the polls. (The day before the meeting, one poll of Republican voters showed Carson statistically tied for first place with Jeb Bush and Scott Walker.)

Rhetorical excess was good for business, but Carson now wants to be seen as more than a novelty candidate. He has come to learn that such extreme analogies, while true to his views, aren’t especially presidential. They alienate more moderate voters and, perhaps even more damaging, reinforce the impression that he is not “serious” — that he is another Herman Cain, the black former Godfather’s Pizza chief executive who rose to the top of the early presidential polls in 2011 but then bowed out before the Iowa caucuses, largely because of leaked allegations of sexual misconduct, which he denied but from which he never recovered. Cain lingers as a cautionary tale for the party as much as for a right-leaning candidate like Carson. The fact that Cain, with his folksy sayings (“shucky ducky”) and misnomers (“Ubeki-beki-beki-beki-stan-stan”), reached the top of the national polls — much less that he was eventually followed there by the likes of Michele Bachmann, Newt Gingrich and Rick Santorum, who all topped one or another poll in the 2012 primary season — wound up being a considerable embarrassment for the eventual nominee, Mitt Romney, and for the longtime party regulars who were trying to fast-track his way to the nomination.

Carson liked Bass and, without directly saying so, made it clear the job was hers for the taking. Carson’s campaign chairman, Terry Giles — a white lawyer whose clients have included the comedian Richard Pryor and the stepson of the model Anna Nicole Smith and who helped reconcile the business interests of the descendants of the Rev. Martin Luther King Jr. — had assembled a mostly white campaign team, including many from the 2012 Gingrich effort, and Carson wanted a person of color to speak for him. Bass said she would have to mull it over, pray about it. Carson nodded approvingly. “Pray about it,” he said. “See what you think.”

Williams knew the party was intent on protecting the eventual 2016 nominee from the same embarrassment Romney suffered. Already, suspiciously tough articles about Carson were showing up in conservative magazines and on right-wing websites. “They’re protecting these establishment candidates,” Williams said. “This is coming from within the house. This is family.” At the very least, he wanted to make sure that Carson didn’t do their work for them. (Carson would commit another unforced error a week later, when he told CNN that homosexuality was clearly a choice, because a lot of people go in prison straight and “when they come out, they’re gay”; he later apologized.)

“We need somebody to protect him, sometimes, from himself,” he told Bass — laughing, but only half kidding.

A candidacy like Carson’s presents a new kind of problem to the establishment wing of the G.O.P., which, at least since 1980, has selected its presidential nominees with a routine efficiency that Democrats could only envy. The establishment candidate has usually been a current or former governor or senator, blandly Protestant, hailing from the moderate, big-business wing of the party (or at least friendly with it) and almost always a second-, third- or fourth-time national contender — someone who had waited “his turn.” These candidates would tack predictably to the right during the primaries to satisfy the evangelicals, deficit hawks, libertarian leaners and other inconvenient but vital constituents who made up the “base” of the party. In return, the base would, after a brief flirtation with some fantasy candidate like Steve Forbes or Pat Buchanan, “hold their noses” and deliver their votes come November. This bargain was always tenuous, of course, and when some of the furthest-right activists turned against George W. Bush, citing (among other apostasies) his expansion of Medicare’s prescription drug benefit, it began to fall apart. After Barack Obama defeated McCain in 2008, the party’s once dependable base started to reconsider the wisdom of holding their noses at all.

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This insurgent attitude was helped along by changes in the nomination rules. In 2010, the Republican National Committee, hoping to capture the excitement of the coast-to-coast Democratic primary competition between Obama and Hillary Clinton, introduced new voting rules that required many of the early voting states to award some delegates to losing candidates, based on their shares of the vote. The proportional voting rules would encourage struggling candidates to stay in the primaries even after successive losses, as Clinton did, because they might be able to pull together enough delegates to take the nomination in a convention-floor fight or at least use them to bargain for a prime speaking slot or cabinet post.

This shift in incentives did not go unnoticed by potential 2012 candidates, nor did changes in election law that allowed billionaire donors to form super PACs in support of pet candidacies. At the same time, increasingly widespread broadband Internet access allowed candidates to reach supporters directly with video and email appeals and supporters to send money with the tap of a smartphone, making it easier than ever for individual candidates to ignore the wishes of the party.

Into this newly chaotic Republican landscape strode Mitt Romney. There could be no doubt that it was his turn, and yet his journey to the nomination was interrupted by one against-the-odds challenger after another — Cain, Michele Bachmann, Newt Gingrich, Rick Santorum, Ron Paul; always Ron Paul. It was easy to dismiss the 2012 primaries as a meaningless circus, but the onslaught did much more than tarnish the overall Republican brand. It also forced Romney to spend money he could have used against Obama and defend his right flank with embarrassing pandering that shadowed him through the general election. It was while trying to block a surge from Gingrich, for instance, that Romney told a debate audience that he was for the “self-deportation” of undocumented immigrants.

At the 2012 convention in Tampa, a group of longtime party hands, including Romney’s lawyer, Ben Ginsberg, gathered to discuss how to prevent a repeat of what had become known inside and outside the party as the “clown show.” Their aim was not just to protect the party but also to protect a potential President Romney from a primary challenge in 2016. They forced through new rules that would give future presumptive nominees more control over delegates in the event of a convention fight. They did away with the mandatory proportional delegate awards that encouraged long-shot candidacies. And, in a noticeably targeted effort, they raised the threshold that candidates needed to meet to enter their names into nomination, just as Ron Paul’s supporters were working to reach it. When John A. Boehner gaveled the rules in on a voice vote — a vote that many listeners heard as a tie, if not an outright loss — the hall erupted and a line of Ron Paul supporters walked off the floor in protest, along with many Tea Party members.

At a party meeting last winter, Reince Priebus, who as party chairman is charged with maintaining the support of all his constituencies, did restore some proportional primary and caucus voting, but only in states that held voting within a shortened two-week window. And he also condensed the nominating schedule to four and a half months from six months, and, for the first time required candidates to participate in a shortened debate schedule, determined by the party, not by the whims of the networks. (The panel that recommended those changes included names closely identified with the establishment — the former Bush White House spokesman Ari Fleischer, the Mississippi committeeman Haley Barbour and, notably, Jeb Bush’s closest adviser, Sally Bradshaw.)

Grass-roots activists have complained that the condensed schedule robs nonestablishment candidates — “movement candidates” like Carson — of the extra time they need to build momentum, money and organizations. But Priebus, who says the nomination could be close to settled by April, said it helped all the party’s constituencies when the nominee was decided quickly. “We don’t need a six-month slice-and-dice festival,” Priebus said when we spoke in mid-March. “While I can’t always control everyone’s mouth, I can control how long we can kill each other.”

All the rules changes were built to sidestep the problems of 2012. But the 2016 field is shaping up to be vastly different and far larger. A new Republican hints that he or she is considering a run seemingly every week. There are moderates like Gov. John Kasich of Ohio and former Gov. George Pataki of New York; no-compromise conservatives like Senator Ted Cruz of Texas and former Senator Rick Santorum of Pennsylvania; business-wingers like the former Hewlett-Packard chief executive Carly Fiorina; one-of-a-kinds like Donald Trump — some 20 in all, a dozen or so who seem fairly serious about it. That opens the possibility of multiple candidates vying for all the major Republican constituencies, some of them possibly goaded along by super-PAC-funding billionaires, all of them trading wins and collecting delegates well into spring.

Giles says his candidate can capitalize on all that chaos. Rivals may laugh, but Giles argues that if Carson can make a respectable showing in Iowa, then win in South Carolina — or at least come in second should a home-state senator, Lindsey Graham, run — and come in second behind Bush or Senator Marco Rubio in their home state of Florida, he could be positioned to make a real run. But that would depend on avoiding pitfalls like Carson’s ill-considered comments on homosexuality. Rather than capitalizing on the chaos, Carson may only contribute to it.

Ben Carson is, in many ways, the ideal Republican presidential candidate. With a not-too-selective reading of his life story, conservative voters can — and do — see in him an inspiring, up-from-nowhere African-American who shares their beliefs, a right-wing answer to Barack Obama. Before he was born, his parents moved to Detroit from rural Tennessee as part of the second great migration. His father, Robert Solomon Carson, worked at a Cadillac factory. His mother, Sonya — who herself had grown up as one of 24 children and left school at third grade — cleaned houses. When Carson was 8, Sonya discovered that Robert was keeping a second family. She moved, with her two sons, into a rundown group house. It was in a part of town that Carson described to me as crawling with “big rats and roaches and all kinds of horrible things.” Sonya worked several jobs at a time and made up the shortfall with food stamps. (Carson has called for paring back the social safety net but not doing away with it.)

Carson recounts this story in his best-selling 1990 memoir, “Gifted Hands,” which also became the basis for a 2009 movie on TNT, starring Cuba Gooding Jr. as Carson. Raised as a Seventh Day Adventist, Carson realized that he wanted to become a physician during a church sermon about a missionary doctor who, while serving overseas, was almost attacked by thieves but found safety by putting his faith in God. When Carson, then 8, told his mother his new dream, “She said, ‘Absolutely, you could do it, you could do anything,’ ” he told me. Forced by his mother to read two extra books a week, he made it to Yale, then to medical school at the University of Michigan, where he decided to specialize in neurosurgery. He was selected for residency at Johns Hopkins Children’s Center, where he was named director of pediatric neurosurgery at 33, becoming the youngest person, and the first black person, to hold the title. He drew national attention by conducting a succession of operations that had never been performed successfully, most famously planning and managing the first separation of conjoined twins connected through major blood vessels in the brain.

Carson, a two-time Jimmy Carter voter, traces his conservative political awakening to a patient he met during the Reagan years. During a routine obstetrics rotation, he found himself treating an unwed pregnant teenager who had run away from her well-to-do parents. When Carson asked her how she was getting by, she informed him she was on public assistance; this led him to ponder the fact that the government was paying for the result of what he did not view as a “wise decision.” The incident, he says, fed his growing sense that the welfare system too often saps motivation and rewards irresponsible behavior. (When we spoke, he suggested that the government should cut off assistance to would-be unwed mothers, but only after warning them that it would do so within a certain amount of time, say five years. “I bet you’d see a dramatic decrease in unwed motherhood.”)

Carson’s friends at Hopkins say they do not remember him being particularly outspoken about his conservatism. He devoted most of his public engagement to urging poor kids in bad neighborhoods to use “these fancy brains God gave us,” through weekly school visits, student hospital tours and, ultimately, a multimillion-dollar scholarship program. “His issues were always medical care for the poor, education for the poor, equal opportunity — helping the less fortunate and really inspiring them as an example,” a mentor who named him to the chief pediatrics-neurosurgery post at Hopkins, Dr. Donlin Long, told me.

Even when Carson got the chance, in 1997, to speak in front of President Bill Clinton, at the national prayer breakfast, he mostly discussed the lack of role models for black children who were not sports stars or rappers. (There was possibly an oblique reference to Clinton’s sex scandals, when he told the audience that, if they are always honest, they won’t have to worry later about “skeletons in the closet.”)

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In 2011, Carson’s politics took a strident turn, mirroring that of many in his party during the Obama years. “America the Beautiful,” his sixth book, which he wrote with Candy Carson, his wife of 39 years, included a get-tough-on-illegal-immigration message and offered anti-establishment praise for the Tea Party. It suggested that blacks who voted for Obama only because he was black were themselves practicing a form of racism. (Earlier this year he admitted to Buzzfeed that portions of the book were lifted directly from several sources without proper attribution.) His prayer-breakfast performance in 2013, and the extremity of his remarks in the months afterward (Obamacare is the worst thing since slavery; the United States is “very much like Nazi Germany”; allowing same-sex marriage could lead to allowing bestiality), left some of his old friends bewildered. Students at Johns Hopkins University School of Medicine protested his planned convocation address there in 2013, and he eventually backed out. When I asked Carson about the view at Hopkins that he had changed, he said his themes are still the same: “hard work, self-reliance, helping other people.” If he had become more overtly political, he said, it was only because the Obama years had led him to believe that “we’re really moving in a direction that is very, very destructive.”

None of this went unnoticed by campaign professionals. In August 2013, John Philip Sousa IV and Vernon Robinson, each of whom professes to be a virtual stranger to Carson, and who had previously been active in the anti-illegal-immigration movement, started the National Draft Ben Carson for President Committee. Sousa was just coming off a campaign to defend the sheriff of Maricopa County, Arizona, Joe Arpaio, from a recall effort, and he told me that he found Carson’s lack of political experience refreshing. “We have 500 guys and gals with probably a collective 5,000 years experience, and look at the mess we’re in,” he said.

Many others in the party feel the same way. Carson’s PAC finished 2014 with more than $13 million in donations, more than Ready for Hillary. Much of its money has gone toward further fund-raising, but Sousa — the great-grandson of the famous composer — points out that their effort has already built far more than just a war chest, organizing leaders in all 99 of Iowa’s counties. Regardless, Carson credits the fund-raising success of Sousa and Robinson with persuading him to enter the race.

Very early the morning after the job interview, Carson was in a black S.U.V., heading from Washington to the Gaylord National Resort and Convention Center in Oxon Hill, Md., where he was to give the opening candidate speech of the Conservative Political Action Conference. The event, which functions as an early tryout for Republican presidential contenders, tends to skew rightward in its audience, drawing many of the same sorts of people who shouted at Boehner in Tampa. As such, it tends to favor anti-establishment candidates, but the news leading up to this year’s event was that Jeb Bush hoped to make inroads there.

It was still dark when we set out, and I joked with Carson about the hour, telling him he’d better get used to it. He retorted that his career in pediatric brain surgery made him no stranger to early mornings. This is a big theme of Carson’s presidential pitch: that neither the rigors of the campaign nor those of the White House can faze a man who held children’s lives in his hands. His life in brain surgery has prepared him for the presidency, he maintains, better than lives in politics have for his rivals. At the very least, he says, it conditioned him against getting too worked up about any problem that isn’t life threatening. “I mean, it’s grueling, but interestingly enough, I don’t feel the pressure,” he said.

At the convention hall, we were quickly surrounded by admirers. Two women were already waiting to meet him — white, middle-aged volunteers for Carson’s super PAC, who had traveled from South Carolina. One of them, Chris Horne, was holding a dog-eared and taped Bible. A founding member of the Charleston Tea Party who went on to work for Gingrich’s successful South Carolina primary campaign in 2012, Horne lamented over the attacks that Carson was sure to face. “You served us, you served the Lord, just don’t let them steal that from you,” she said. Her friend told him, “You’ve got God behind you!” Such religious evocations trailed Carson constantly while I walked the CPAC floor with him. Evangelicals are impressed not only with his devotion to their politics but also with his career path; as one of them told me, what’s more pro-life than saving babies?

During our ride to the conference, Carson told me his speech was not looking to “feed the beast.” When his appointed time came, he kept his remarks as tame as promised. “Real compassion” meant “using our intellect” to help people “climb out of dependency and realize the American dream,” he said. The national debt is going to “destroy us,” Obamacare was about “redistribution and control,” but Republicans better come forward with their own alternative before they repeal it, he said.

Because his speech was first, and it started several minutes early, the auditorium was slow to fill. Still, the first day saw a crush of people seeking autographs and pictures as he roamed the hall. The Draft Carson committee’s 150 volunteers swarmed the auditorium, collecting emails and handing out “Run Ben Run” stickers. After a quick interview with Sean Hannity, the conservative-radio and Fox News host — his second in two days — Carson was off to Tampa.

In the hours that followed his talk, the hall offered a view in miniature of what the next 12 to 14 months might hold for the party. Chris Christie, sitting across from the tough-minded talk-radio host Laura Ingraham, boasted about his multiple vetoes of Planned Parenthood funding, his refusal to raise income taxes and his belief that “sometimes people need to be told to sit down and shut up.” Cruz, an audience favorite, warning his fellow Republicans against falling for a “squishy moderate,” declared, “Take all 125,000 I.R.S. agents and put ’em on our Southern border!” Gov. Scott Walker of Wisconsin, surging in polls, boasted that if he could face down the 100,000 union supporters who protested his legislation limiting collective bargaining for public employees, he could certainly handle ISIS. The next day, the traditional CPAC favorite Rand Paul spoke, packing the hall with his supporters who chanted “President Paul.” He warned, counter to the overall hawkish tenor of the event, that “we should not succumb to the notion that a government inept at home will somehow become successful abroad.” But he also vowed to end foreign aid to countries whose citizens are seen burning American flags. “Not one penny more to these haters of America.”

Perhaps the defining moment came near the end of the conference, when Jeb Bush spoke. In a neat trick of political gamesmanship — and a show of establishment muscle — his team had bused in an ample cheering section for the dozens of cameras on hand for his appearance. But a small contingent of Tea Party activists and Rand Paul supporters staged a walk out. When Bush began a question-and-answer session, they turned and left the auditorium to chant “U.S.A., U.S.A.” in the hallway, led by a man in colonial garb waving a huge “Don’t Tread on Me” banner. Plenty of other detractors stayed in the hall and peppered Bush’s remarks with booing as he stood by positions unpopular with the conservative grass roots: support for the Common Core standards and an immigration overhaul that provides a “path to legal status” for undocumented immigrants. Bush took it all in good humor, but finally seemed to give up.

“For those who made an ‘oo’ sound — is that what it was? — I’m marking you down as neutral,” he said. “And I want to be your second choice.”

Bush strategists told me they would not repeat Romney’s mistakes. Of course they would love to glide to an early nomination, they said, but they are prepared for a long contest and won’t be wasting any energy bending under pressure from a Paul or a Cruz or a Carson.

No one doubts that the pressure will increase, though. Despite the best wishes of the party’s leaders, GOP primary voters have given little indication that they will narrow the field quickly.

Before I left, I spotted Newt Gingrich, himself a fleeting presidential front-runner during those strange primary days of 2012. I asked him whether he thought all the party maneuvering — all the attempts to change the rules and fast-track the process — would preclude someone from presenting the sort of outside primary challenge he had carried out in the last election.

“No,” he told me, as if it was the most obvious thing in the world. “Look at where Ben Carson is right now.”

The bottle Mr. Sokolin famously broke was a 1787 Château Margaux, which was said to have belonged to Thomas Jefferson. Mr. Sokolin had been hoping to sell it for $519,750.

Todd Heisler/The New York Times

Children playing last week in Sandtown-Winchester, the Baltimore neighborhood where Freddie Gray was raised. One young resident called it “a tough community.”

Hard but Hopeful Home to ‘Lot of Freddies’

The neighborhood where Freddie Gray came of age has survived harrowing rates of unemployment, poor health, violent crime and incarceration.

With 12 tournament victories in his career, Mr. Peete was the most successful black professional golfer before Tiger Woods.

As he reflected on the festering wounds deepened by race and grievance that have been on painful display in America’s cities lately, President Obama on Monday found himself thinking about a young man he had just met named Malachi.

A few minutes before, in a closed-door round-table discussion at Lehman College in the Bronx, Mr. Obama had asked a group of black and Hispanic students from disadvantaged backgrounds what could be done to help them reach their goals. Several talked about counseling and guidance programs.

“Malachi, he just talked about — we should talk about love,” Mr. Obama told a crowd afterward, drifting away from his prepared remarks. “Because Malachi and I shared the fact that our dad wasn’t around and that sometimes we wondered why he wasn’t around and what had happened. But really, that’s what this comes down to is: Do we love these kids?”

Many presidents have governed during times of racial tension, but Mr. Obama is the first to see in the mirror a face that looks like those on the other side of history’s ledger. While his first term was consumed with the economy, war and health care, his second keeps coming back to the societal divide that was not bridged by his election. A president who eschewed focusing on race now seems to have found his voice again as he thinks about how to use his remaining time in office and beyond.

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Obama Speaks of a ‘Sense of Unfairness’

In the aftermath of racially charged unrest in places like Baltimore, Ferguson, Mo., and New York, Mr. Obama came to the Bronx on Monday for the announcement of a new nonprofit organization that is being spun off from his White House initiative called My Brother’s Keeper. Staked by more than $80 million in commitments from corporations and other donors, the new group, My Brother’s Keeper Alliance, will in effect provide the nucleus for Mr. Obama’s post-presidency, which will begin in January 2017.

“This will remain a mission for me and for Michelle not just for the rest of my presidency but for the rest of my life,” Mr. Obama said. “And the reason is simple,” he added. Referring to some of the youths he had just met, he said: “We see ourselves in these young men. I grew up without a dad. I grew up lost sometimes and adrift, not having a sense of a clear path. The only difference between me and a lot of other young men in this neighborhood and all across the country is that I grew up in an environment that was a little more forgiving.”

Organizers said the new alliance already had financial pledges from companies like American Express, Deloitte, Discovery Communications and News Corporation. The money will be used to help companies address obstacles facing young black and Hispanic men, provide grants to programs for disadvantaged youths, and help communities aid their populations.

Joe Echevarria, a former chief executive of Deloitte, the accounting and consulting firm, will lead the alliance, and among those on its leadership team or advisory group are executives at PepsiCo, News Corporation, Sprint, BET and Prudential Group Insurance; former Secretary of State Colin L. Powell; Senator Cory Booker, Democrat of New Jersey; former Attorney General Eric H. Holder Jr.; the music star John Legend; the retired athletes Alonzo Mourning, Jerome Bettis and Shaquille O’Neal; and the mayors of Indianapolis, Sacramento and Philadelphia.

The alliance, while nominally independent of the White House, may face some of the same questions confronting former Secretary of State Hillary Rodham Clinton as she begins another presidential campaign. Some of those donating to the alliance may have interests in government action, and skeptics may wonder whether they are trying to curry favor with the president by contributing.

“The Obama administration will have no role in deciding how donations are screened and what criteria they’ll set at the alliance for donor policies, because it’s an entirely separate entity,” Josh Earnest, the White House press secretary, told reporters on Air Force One en route to New York. But he added, “I’m confident that the members of the board are well aware of the president’s commitment to transparency.”

The alliance was in the works before the disturbances last week after the death of Freddie Gray, the black man who suffered fatal injuries while in police custody in Baltimore, but it reflected the evolution of Mr. Obama’s presidency. For him, in a way, it is coming back to issues that animated him as a young community organizer and politician. It was his own struggle with race and identity, captured in his youthful memoir, “Dreams From My Father,” that stood him apart from other presidential aspirants.

But that was a side of him that he kept largely to himself through the first years of his presidency while he focused on other priorities like turning the economy around, expanding government-subsidized health care and avoiding electoral land mines en route to re-election.

After securing a second term, Mr. Obama appeared more emboldened. Just a month after his 2013 inauguration, he talked passionately about opportunity and race with a group of teenage boys in Chicago, a moment aides point to as perhaps the first time he had spoken about these issues in such a personal, powerful way as president. A few months later, he publicly lamented the death of Trayvon Martin, a black Florida teenager, saying that “could have been me 35 years ago.”

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That case, along with public ruptures of anger over police shootings in Ferguson and elsewhere, have pushed the issue of race and law enforcement onto the public agenda. Aides said they imagined that with his presidency in its final stages, Mr. Obama might be thinking more about what comes next and causes he can advance as a private citizen.

That is not to say that his public discussion of these issues has been universally welcomed. Some conservatives said he had made matters worse by seeming in their view to blame police officers in some of the disputed cases.

“President Obama, when he was elected, could have been a unifying leader,” Senator Ted Cruz of Texas, a Republican candidate for president, said at a forum last week. “He has made decisions that I think have inflamed racial tensions.”

On the other side of the ideological spectrum, some liberal African-American activists have complained that Mr. Obama has not done enough to help downtrodden communities. While he is speaking out more, these critics argue, he has hardly used the power of the presidency to make the sort of radical change they say is necessary.

The line Mr. Obama has tried to straddle has been a serrated one. He condemns police brutality as he defends most officers as honorable. He condemns “criminals and thugs” who looted in Baltimore while expressing empathy with those trapped in a cycle of poverty and hopelessness.

In the Bronx on Monday, Mr. Obama bemoaned the death of Brian Moore, a plainclothes New York police officer who had died earlier in the day after being shot in the head Saturday on a Queens street. Most police officers are “good and honest and fair and care deeply about their communities,” even as they put their lives on the line, Mr. Obama said.

“Which is why in addressing the issues in Baltimore or Ferguson or New York, the point I made was that if we’re just looking at policing, we’re looking at it too narrowly,” he added. “If we ask the police to simply contain and control problems that we ourselves have been unwilling to invest and solve, that’s not fair to the communities, it’s not fair to the police.”

Moreover, if society writes off some people, he said, “that’s not the kind of country I want to live in; that’s not what America is about.”

His message to young men like Malachi Hernandez, who attends Boston Latin Academy in Massachusetts, is not to give up.

“I want you to know you matter,” he said. “You matter to us.”