1) Getting out the vote for down ticket candidates ALSO pulls in votes for the top of the ticket (Biden). Look at our target states - AZ, GA, IA, NC among others.
If we are the midst of a constitutional crisis over Trump's power grab, we need more ex-GOP senators. We need to demonstrate that sticking with Trump will not save your political career.
McConnell promises to be the "Grim Reaper" of all progressive legislation. If we take the presidency and not the senate, any progressive agenda under Biden is screwed. We cannot afford this scenario.