AdvertisementMark Sanford Wins S.C. Runoff, Gets GOP Nod To Run For Former House SeatApril 02, 2013Greg HendersonfacebookEmailFormer South Carolina Gov. Mark Sanford faces former Charleston County Councilman Curtis Bostic in the GOP primary runoff Tuesday. The winner will represent Republicans in a May 7 special election for a U.S. House seat. (AP)