Biden lands key endorsement, Sanders touts momentum as Democrats campaign in South Carolina

Democratic presidential candidate Joe Biden won the endorsement of an influential black congressman from South Carolina on Wednesday, which could prove pivotal as he competes with current national front-runner Bernie Sanders for the support...

Biden lands key endorsement, Sanders touts momentum as Democrats campaign in South Carolina
Democratic presidential candidate Joe Biden won the endorsement of an influential black congressman from South Carolina on Wednesday, which could prove pivotal as he competes with current national front-runner Bernie Sanders for the support of the state's black voters in Saturday's primary.