FILE – In this April 30, 2013, file photo former South Carolina Gov. Mark Sanford speaks to supporters during a campaign stop at the Historic Rotary Club of Charleston at the Citadel in Charleston, S.C. In a bizarre campaign that has roiled the state, Sanford and Democrat Elizabeth Colbert Busch are locked in a surprisingly contentious contest to win a House seat in a solidly Republican district along the South Carolina coast. The special election is Tuesday, May 7. (AP Photo/Rainier Ehrhardt, File)

Associated Press
FILE – In this April 30, 2013, file photo former South Carolina Gov. Mark Sanford speaks to supporters during a campaign stop at the Historic Rotary Club of Charleston at the Citadel in Charleston, S.C.  In a bizarre campaign that has roiled the state, Sanford and Democrat Elizabeth Colbert Busch are locked in a surprisingly contentious contest to win a House seat in a solidly Republican district along the South Carolina coast. The special election is Tuesday, May 7. (AP Photo/Rainier Ehrhardt, File)
FILE – In this April 30, 2013, file photo former South Carolina Gov. Mark Sanford speaks to supporters during a campaign stop at the Historic Rotary Club of Charleston at the Citadel in Charleston, S.C. In a bizarre campaign that has roiled the state, Sanford and Democrat Elizabeth Colbert Busch are locked in a surprisingly contentious contest to win a House seat in a solidly Republican district along the South Carolina coast. The special election is Tuesday, May 7. (AP Photo/Rainier Ehrhardt, File)
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