Republican Presidential Debate in Des Moines (18 images)

Republican Presidential candidates, left to right, Rick Santorum, Rick Perry, Mitt Romney, Newt Gingrich, Ron Paul and Michele Bachmann pause for a photo prior to the start of the ABC News GOP Debate at Sheslow Hall on the campus of Drake University, Saturday December 10, 2011 in Des Moines, Iowa. The Iowa Caucus for the Republican presidential nomination is less than a month away on January 3, 2012. UPI/Steve Pope

Republican Presidential candidate Rick Perry takes part in the ABC News GOP Debate at Sheslow Hall on the campus of Drake University, Saturday December 10, 2011 in Des Moines, Iowa. The Iowa Caucus for the Republican presidential nomination is less than a month away on January 3, 2012. UPI/Steve Pope

Republican Presidential candidate Newt Gingrich takes part in the ABC News GOP Debate at Sheslow Hall on the campus of Drake University, Saturday December 10, 2011 in Des Moines, Iowa. The Iowa Caucus for the Republican presidential nomination is less than a month away on January 3, 2012. UPI/Steve Pope

Republican Presidential candidate Mitt Romney takes part in the ABC News GOP Debate at Sheslow Hall on the campus of Drake University, Saturday December 10, 2011 in Des Moines, Iowa. The Iowa Caucus for the Republican presidential nomination is less than a month away on January 3, 2012. UPI/Steve Pope