 President Biden is reaffirming his plan to stay in the race for president, despite calls from members of his own party to step aside. As NPR's Tamara Keith reports, Biden was defiant in an interview with NBC News. President Biden made it clear he has no intention of revisiting his decision to stay in the race. In his latest sit-down interview, this one with NBC's Lester Holt. Who do you listen to on deeply personal issues like the decisions whether to stay in the race or not?