She agrees to fill the vacant Senate seat so the Dem's can plug in a candidate they believe can be Prez, either now, by enacting the 25th Amendment, or later if they still think Joe can beat Trump.
Otherwise, she'll be left with some no-show Professorship.
Why would Harris move from being the President of the Senate to being one of 100? It’s not like CA is in play?
Whoever is floating this stuff doesn’t understand how this stuff works. Harris holds ALL the cards.