**FILE** Republican presidential candidates (from left) former Utah Gov. Jon Huntsman, Rep. Michele Bachmann of Minnesota, Rep. Ron Paul of Texas, businessman Herman Cain, Former Massachusetts Gov. Mitt Romney, former House Speaker Newt Gingrich, Texas Gov. Rick Perry, and former Pennsylvania Sen. Rick Santorum prepare Nov. 12, 2011, before the CBS News/National Journal foreign policy debate in Spartanburg, S.C. (Associated Press)