Well shit!
If the Senate is unable to elect a Vice President by January 20, then the Speaker of the House serves as Acting President.
MI CERT CAVE: poster on TD reports “They just had a public Zoom meeting. 300+ angry Democrats showed up and were screeching and yelling, calling them racist for disenfranchising black voters. I was in line to speak, but heavily outnumbered, and wasn’t able to make it. No one spoke for our side in defense of the decision. Right after, they caved.”