Republican presidential candidates, former US Senator Fred Thompson (R-TN) (L-R), former Massachusetts Governor Mitt Romney, Senator John McCain (R-AZ), former Arkansas Governor Mike Huckabee, former New York City mayor Rudy Giuliani and Representative Ron Paul (R-TX), stand onstage together before the start of the Fox News/South Carolina Republican Party presidential debate at the Myrtle Beach Convention Center in Myrtle Beach, South Carolina January 10, 2008. REUTERS/ Chris Keane (UNITED STATES) US PRESIDENTIAL ELECTION CAMPAIGN 2008 (USA)