if he was elected president. four days before the south carolina primary. it was the first time he had ever made that pledge. you heard the crowd go wild. south carolina congressman jim clyburn endorsed president biden thecl next day. an b incredibly emotional, incredibly affective endorsement. it is credited to this day by many people with joe biden winning south carolina, winning super tuesday and there by winning the democratic presidency and the presidency of the united states. and clyburn told nbc today that what he n credits biden's win i south carolina to is not actually his ownso endorsement joe biden, but what he credit's win in south carolina to is that pledge, thatwi biden made, on t debatepl stage, the night befor his endorsement. that pledge clyburn pushed him backstage to make that an african american woman would finally be nominated to the nation's highest court for the first time in our country's history, if joe biden were elected president. and now here we are today.