Home to the New York Yankees, the Bronx Zoo, and the Grand Concourse, the Bronx was at one time a haven for upwardly mobile second-generation immigrants eager to leave the crowded tenements of Manhattan in pursuit of the American dream. Once hailed as a "wonder borough" of beautiful homes, parks, and universities, the Bronx became--during the 1960s and 1970s--a national symbol of urban deterioration. Thriving neighborhoods that had long been home...