MYRTLE BEACH, SC - JANUARY 21: (L-R) Democratic presidential hopefuls Sen. Hillary Clinton (D-NY), Sen. Barack Obama (D-IL) and former Sen. John Edwards (D-NC) stand before the start of a debate at the Palace Theatre January 21, 2008 in Myrtle Beach, South Carolina. The debate was partly put together by the Congressional Black Caucus Institute. Democratic presidential candidates are campaigning in South Carolina for the state's Democratic primary on January 26.