 David, country of extremes for sure. Lee Goldberg tonight. Lee, thank you. We turn to the other major story this evening. President Biden insisting, quote, I am not going anywhere, saying he will stay in the race. Daring Democrats who doubt him to challenge him at the convention. And tonight, the White House now being pressed about a Parkinson's expert who visited the White House eight times, including once meeting with the president's doctor. And the first lady today, Jill Biden, and her moment with reporters. Here's our chief White House correspondent, Mary Bruce.