Rudy Giuliani better hope that a new documentary on his mayoralty, "Giuliani Time," never makes it to cineplexes in Iowa, New Hampshire and other presidential battlegrounds. The two-hour film, which debuts May 12, casts Giuliani not as the hero of 9/11 - the role that won him acclaim as America's Mayor - but rather as the iron-fisted ruler of a city where children went hungry, the poor were forgotten and many city cops were racists. In short, "Giuliani Time" seeks to do for Giuliani what Michael Moore's "Fahrenheit 9/11" did for President Bush - namely, shine an unsparing light on...