U.S. Democratic presidential candidate and former U.S. Senator John Edwards (D-NC) faces supporters at his South Carolina primary night rally in Columbia, South Carolina, in this January 26, 2008 file photo. Edwards admitted on January 21, 2010 that he fathered a child with his former mistress, Rielle Hunter, while campaigning for the Democratic Party's White House nomination. REUTERS/Chris Keane/Files (UNITED STATES - Tags: POLITICS SOCIETY)