Former Vice President Joe Biden expects to win the South Carolina Democratic primary, and in the days leading up to that contest, his candidacy has received a number of significant boosts, from strong polling to endorsements. All of this has come just in time for the first contest in which the former vice president is a serious contender — and just ahead of Super Tuesday.
After Tuesday’s debate in Charleston, South Carolina, Biden’s campaign raised $2 million in four days. More than half of that was brought in the day after the debate, when he raised more …