FILE - In this March 16, 2013 file photo, Sen. Ted Cruz, R-Texas speaks in National Harbor, Md. Mere months after the 2012 election, South Carolina is a buzz of political activity with

 

              FILE - In this March 16, 2013 file photo, Sen. Ted Cruz, R-Texas speaks in National Harbor, Md. Mere months after the 2012 election, South Carolina is a buzz of political activity with
FILE - In this March 16, 2013 file photo, Sen. Ted Cruz, R-Texas speaks in National Harbor, Md. 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/Carolyn Kaster, File)