FILE - This April 30, 2013 file photo shows former South Carolina Gov. Mark Sanford speaking in Charleston, S.C. Mere months after the 2012 election, South Carolina is a buzz of politic

 

              FILE - This April 30, 2013 file photo shows former South Carolina Gov. Mark Sanford speaking in Charleston, S.C. Mere months after the 2012 election, South Carolina is a buzz of politic
FILE - This April 30, 2013 file photo shows former South Carolina Gov. Mark Sanford speaking in Charleston, S.C. Mere months after the 2012 election, South Carolina is a buzz of political activity with a slate of potential presidential candidates already looking ahead to the state's "first in the South" primary _ still three years away. Vice President Joe Biden and Texas Sen. Ted Cruz arrive to whip up their parties' faithful before Tuesday's special congressional election featuring the high-profile former governor. (AP Photo/Rainier Ehrhardt, File)