 The president was very clear that he is in this to win this. And the president is our nominee. The president is our party leader. And the president has told us, and he was very clear back there, that he is in this to win this. Biden will sit for an interview Friday with ABC's George Stephanopoulos. The president will trip to Wisconsin on Friday, and he'll head to Philadelphia on Sunday. And he'll hold a press conference during the NATO summit in Washington next week.