Former South Carolina Govs. Mark Sanford (left) and Jim Edwards and state Rep. Chip Limehouse, who lost to Sanford in the March primary for the state's open House seat, speak with voters during a campaign stop at a diner in Mount Pleasant, S.C., on May 6, 2012. Sanford faces Elizabeth Colbert Busch, the sister of comedian Stephen Colbert, in a special congressional election in the state's 1st District. (Associated Press)
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