Republican presidential candidates listen as Michelle Bachmann speaks during the Republican Party presidential candidates debate in Sioux City

 
Republican presidential candidates listen as Michelle Bachmann speaks during the Republican Party presidential candidates debate in Sioux City
Republican presidential candidates (L-R) former U.S. Senator Rick Santorum (R-PA), Texas Governor Rick Perry, former Massachusetts Governor Mitt Romney, former U.S. Speaker of the House Newt Gingrich (R-GA), U.S. Representative Ron Paul (R-TX), U.S. Representative Michele Bachmann (R-MN), and former Governor of Utah Jon Huntsman attend the Republican Party presidential candidates debate and listen as Bachmann speaks in Sioux City, Iowa, December 15, 2011. REUTERS/Jim Young (UNITED STATES - Tags: ELECTIONS POLITICS)