November 12, 2005--Unlike the Democrats, there is no clear frontrunner for the Republican Party's 2008 Presidential nomination.Three candidates, former New York Mayor Rudy Giuliani, Secretary of State Condoleezza Rice, and Senator John McCain all are favored by more than 20% of GOP voters. Former House Speaker Newt Gingrich and Senate Majority Leader Bill Frist are the only other Republicans to reach the 5% level of support.McCain is the leader among the minority of Republicans with an unfavorable opinion of George W. Bush.If the three leading candidates do not run, "Not Sure" takes over the Republican lead at 30%. In that...