Transcript for Democratic candidates fight for South Carolina
We turn to politics now, the race for the white house just two days until the next votes, this time in South Carolina. Front-runner Bernie Sanders hoping to keep his momentum. But Joe Biden looking for his first big win on the heels nabbing a crucial endorsement from one of the state's leading figures, congressman Jim Clyburn. Mary Bruce is live there with the state of the race this morning. Mary, good morning. Reporter: Good morning, Tom. This is a make or break moment for Joe Biden but this morning he is confident he is the one to beat here on Saturday. The big question then, will it make a difference? Will it be enough to Poe Pell him to other big wins or is it simply too late to derail Bernie Sanders? This morning in South Carolina with less than 48 hours to go, Joe Biden is promising a comeback. As he fends off front-runner Bernie Sanders. I promise you this, if you send me out of South Carolina with a victory, there will be no stopping us. Reporter: Biden is counting on support from African-American voters to deliver his first win. The former vice president getting a boost from south Carolina's most powerful Democrat, congressman Jim Clyburn. I know Joe. We know Joe, but most importantly, Joe knows us. Reporter: The big question will it be enough to stall Sanders' momentum? He says Biden doesn't have what it takes to go the distance. Joe is a friend of mine and a decent guy but that is not the voting record or the history that is going to excite people, bring them into the political process and beat trump. Reporter: Now this morning, the candidates are already looking beyond South Carolina to those delegate rich states up for grabs on super Tuesday. Many launching new ad buys and campaigning more aggressively in those states, Tom. It is crunch time. Thank you. As she just mentioned the south Carolina primary, right after that super Tuesday. 16 contests essentially a national primary. George will anchor our special coverage with our team starting at 8:00 P.M. Eastern, robin.
This transcript has been automatically generated and may not be 100% accurate.