FILE - In this Nov. 6, 2012 file photo, Rep. John Barrow, D-Ga., stands with supporters as he waits to do a television interview at an election-night party in Augusta, Ga. Barrow and fo

 

              FILE - In this Nov. 6, 2012 file photo, Rep. John Barrow, D-Ga., stands with supporters as he waits to do a television interview at an election-night party in Augusta, Ga. Barrow and fo
FILE - In this Nov. 6, 2012 file photo, Rep. John Barrow, D-Ga., stands with supporters as he waits to do a television interview at an election-night party in Augusta, Ga. Barrow and former Rep. Stephanie Herseth-Sandlin in South Dakota, two top-tier Democratic prospects, recently bypassed running for Senate seats in Georgia and South Dakota, decisions that highlighted both divisions within the party and its challenge of finding candidates whose ideologies line up with voters in Republican-leaning states. (AP Photo/John Bazemore, File)