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Republican candidates

Politics and GovernmentRon PaulRick SantorumMitt RomneyNewt GingrichRick Perry
Texas Gov. Rick Perry, from left, former Sen. Rick Santorum of Pennsylvania, former Massachusetts Gov. Mitt Romney, former House Speaker Newt Gingrich and Rep. Ron Paul of Texas prepare to take the stage at the Republican debate in Myrtle Beach, S.C. Mark Wilson / Getty Images