These leaders, known as "prans" (slang for prison-gang chief), organize the coliseos partly to test the mettle of new arrivals, partly to entertain the inmates, partly to settle disputes.
Traveling with him was the chief person organizing the American part in the talks, Lael Brainard, who was to have briefed Mr. Clinton on Air Force One.
Mr. Morange currently works for the New York City Police Department as the bureau chief for organized crime control.
He worked as a public defender, and then in the Philadelphia district attorney's office, where he became the chief of organized crime and homicide.
"I doubt he slept the whole month," David N. Kelley, an assistant United States Attorney and chief of organized crime and terrorism for the Southern District, recalled.
(Brian Wallis, the center's chief curator, organized the exhibition, which celebrates the presentation of a Lifetime Achievement prize to Mr. Erwitt at the center's 2011 Infinity Awards on May 10).
Mark E. Feldman, the chief of organized crime prosecution for the United States attorney's office in Brooklyn, said the command structure of the mob that permits leadership succession and the Mafia's machinery for illegal profit have made it a durable adversary.
Martin Anderson, who was Reagan's domestic policy chief, helped organize policy tutorials for Bush during the campaign, and says he often felt he was watching a new incarnation of Reagan.
David Kelley, the chief of organized crime and terrorism in the United States Attorney's Office for the Southern District of New York, told me, "All the old rituals and codes have eroded over time, and the reasons are simple: greed and convenience.
