Lost in the annals of boxing is the sport's true Cinderella story. James J. Braddock, dubbed "Cinderella Man" by Damon Runyon, was a once promising light heavy-weight for whom a string of losses in the ring and a broken right hand happened to coincide with the Great Crash. With one good hand, Braddock was forced to labor on the docks of Hoboken. Only his manager, Joe Gould, still believed in him, finding fights for Braddock to help feed his wife and...