Stumbling Blocks and Stepping Stones is told largely through the reminiscences of Paolo Bruni and is focused on his friendship with Nicola "Nunzi" D'Annunzio over four decades. It contrasts the insular world of the ethnic neighborhood, one littered with "stumbling blocks" of gangs and ethnic rivalries that might undo their stepping up in the changing world of post-war urbanizing America. In their encounter with the complex and corporatized Catholicism...