Former South Carolina Gov . Mark Sanford , who resigned because of an extramarital affair with Maria Belen Chapur , told CNN in an interview Wednesday he was `` completely '' surprised when Chapur -- now his fiancee -- showed up the night before to appear with him when he claimed victory in the runoff for the GOP nomination for his old U.S. House seat . ` Mark Sanford ( R) - Sanford won a run-off vote to become the GOP nominee for his former U.S. House seat .
Former South Carolina Gov . Mark Sanford (R) - Sanford won a run-off vote to become the GOP nominee for his former U.S. House seat .