Former Utah Gov. Jon Huntsman, former Pennsylvania Sen. Rick Santorum, former Massachusetts Gov. Mitt Romney, Rep. Ron Paul, R-Texas,, former House Speaker Newt Gingrich and Texas Gov. Rick Perry (L-R) listen to a question from NBC Meet the Press moderator David Gregory during a Republican presidential candidate debate at the Capitol Center for the Arts in Concord, N.H., Sunday, Jan. 8, 2012. (AP Photo/Charles Krupa)