After The Associated Press called the race at 7:23 p.m., less than a half-hour after polls closed, the roughly 100 party faithful gathered at the South Carolina Fairgrounds chanted “four more years!” With less than 30,000 votes counted, Biden was winning with 97% of them. “I want to let you guys know, South Carolina, tonight is our night,” state Democratic Party Chairwoman Christale Spain told the crowd. “For the first time, Southern voters, Black voters and rural voters have had the chance to have their voices heard first.” Biden called in to his victory party from Los Angeles. U.S. Rep....