(L-R) U.S. Rep. Michele Bachmann (R-MN) speaks while Rick Santorum, Texas Gov. Rick Perry, former Massachusetts Gov. Mitt Romney, former speaker of the House Newt Gingrich, U.S. Rep. Ron Paul (R-TX), look on during the ABC News GOP Presidential debate on the campus of Drake University on December 10, 2011 in Des Moines, Iowa. Rivals were expected to target front runner Gingrich in the debate hosted by ABC News, Yahoo News, WOI-TV, The Des Moines Register and the Iowa GOP.