First: We're following two crucial meetings in the House and the Senate that could determine the fate and the future of Joe Biden's candidacy, as Democrats who want the president to drop out come face to face with those who support his aggressive push to stay on the ballot.  Plus: Donald Trump admits his VP pick is not set in stone. Just days before the Republican convention you'll hear what he's saying about the Biden campaign's turmoil and how it could impact his choice.  And: John King gives you the pulse of voters in the must-win swing state of Wisconsin.  Learn more about your ad choices. Visit podcastchoices.com/adchoices