 I really might be underestimating up until this point Joe Biden gutting this out. And he could thank Donald Trump's playbook in 2016 and Bill Clinton's in 1992 for that. We could see it. We wait with bated breath to see how it all plays out. Stick around, guys, when we come back. A Democratic president with low public approval ratings and a deeply divided country suddenly withdraws from the race. What his hand-picked successor said in the summer of 1968. Our Meet the Press Minute is next.