President Joe Biden won the Democratic primary in South Carolina‚ a state that carried his path to the nomination in the 2020 presidential election—as his campaign hopes Saturday’s victory will re-energize Black voters who have strayed from the president‚ contributing to his sliding approval rating. The Associated Press called the race for Biden at 7:23 p.m.—just 23 minutes after the polls closed Saturday—with Biden having more than 95% support. Rep. Dean Phillips (D-Minn.) and author...