** FILE ** Then New York City Mayor Rudy Giuliani, second from left, escorted by then New York Stock Exchange Chairman Richard Grasso, left, is greeted on the exchange's trading floor before he rang the opening bell, in this Dec. 19, 2001 file photo, honoring his eight years as mayor. Giuliani boasts that he reined in crime, welfare and taxes in a city once considered ungovernable - claims intrinsic to the former New York mayor's pitch to Republican voters that he has the combination of competence and toughness they want in a president, (AP Photo/Richard Drew, File)