ALBANY, N.Y. (AP) -- He may still be ``America's Mayor'' across much of the nation, but when it comes to the home crowd, Rudy Giuliani's star may be fading a bit. A poll of New York state voters, released Thursday by the Siena College Research Institute, showed the former New York City mayor continuing to hold a big lead with Republican voters in the race for the GOP presidential nomination. Giuliani led Sen. John McCain of Arizona, his nearest GOP competitor in New York, 52 percent to 14 percent. Giuliani's favorable rating among New York Republicans was a robust 76...