Sen. John McCain is preparing for a 2008 showdown with former New York City Mayor Rudy Giuliani, who so far who leads him in the presidential race according to most polls. While the two men remain personally friendly, sharing dinner recently at a Manhattan bistro, Newsday reports that McCain's team is monitoring Giuliani's every move - including keeping track of how much face time the former mayor gets on TV. Meanwhile, McCain insiders aren't shy about trashing the former mayor's presidential prospects. "In my humble opinion, Rudy wouldn't get out of the gate," longtime McCain strategist John Dennehy tells the...