Republican presidential candidates (L-R) U.S. Rep. Tom Tancredo (R-CO), former Wisconsin Governor Tommy Thompson, U.S. Sen. Sam Brownback (R-KS), former Massachusetts Governor Mitt Romney, former New York City Mayor Rudy Giuliani, U.S. Sen. John McCain (R-AZ), former Arkansas Governor Mike Huckabee, U.S. Rep. Duncan Hunter (R-CA), former Virginia Governor Jim Gilmore, and U.S. Rep. Ron Paul (R-TX) attend the debate at Saint Anselm College in Manchester, New Hampshire June 5, 2007. REUTERS/Brian Snyder (UNITED STATES)