 This president is not going to withdraw. He is going to stay on the ballot. And so I'm not going to go down the path of all sorts of potential scenarios that I don't think are ever going to play out. Whitmer was speaking to NPR's All Things Considered. The governor has been mentioned as a possible alternative should the president decide to drop out of the race. That's something Biden insists he won't do. This is NPR News from Washington.