U.S. Republican party presidential candidates Huckabee, McCain and Giuliani gather at a debate in Johnston

 
U.S. Republican party presidential candidates Huckabee, McCain and Giuliani gather at a debate in Johnston
Republican Party presidential candidates gather on stage before their debate in Johnston, Iowa, December 12, 2007. The candidates are (L-R) former Arkansas Governor Mike Huckabee, U.S. Senator John McCain (R-AZ) and former New York City mayor Rudy Giuliani. REUTERS/Jason Reed (UNITED STATES)