 I think that we could lose the whole thing. And it's staggering to me. Donald Trump's already been president. I thought he was the worst president that we've ever had. The sudden flurry of grave pronouncements despite Biden's determined insistence he's not leaving the race put on public display. Just how unsettled the question remains among prominent Democrats. Biden closes out the NATO summit in Washington today, an event meant to showcase his leadership on the world stage with a rare solo press conference.