NEW YORK - As he languished in a federal prison in 2003, John "Junior" Gotti had plenty to worry about. The jail, he told visitors, was crawling with informants. He had money problems. Old friends were getting indicted. Other members of the Gotti clan were stealing his money. But at the root of his troubles was this: The modern mob, he lamented, was losing its manliness. "Now are we men? Or are we punks or rats or weasels? You tell me," he angrily asked one friend while serving a racketeering sentence. Gotti's conversations were routinely recorded before his release from...