Rep. James Clyburn says he's 'all in' for President Biden

South Carolina Rep. James Clyburn, a key supporter to Joe Biden, sits down with TODAY’s Craig Melvin in an exclusive interview to talk about the president’s performance during a nearly hour-long news conference. “He has one of the best minds that I’ve ever been around,” he says. “I would hope that we would focus on the substance of this man rather than these sometimes-misspoken words and phrases.”