The latest Rasmussen Reports national telephone poll shows that former New York Mayor Rudy Giuliani (R) continues to hold an eight-point lead over Senator John McCain (R) in the race for the Republican nomination. Giuliani now earns 30% of the vote, up from 28% a week ago. John McCain (R) has support from 22% while former House Speaker Newt Gingrich remains in third at 12%. Former Massachusetts Mitt Romney is back in double digits at 10%. Another former Governor Mike Huckabee registers just 2% as does Senator Sam Brownback. Senator Chuck Hagel registers support from 1% of GOP voters.While McCain...