#25thAmendment math.
— Ryan Goodman (@rgoodlaw) January 7, 2021
Pence and 8 Department heads do not need 2/3 majorities in Congress.
The clock would run out.
Step 1
Pence et al trigger 25A
Step 2
Trump objects
Step 3
Pence et al reconfirm
Step 4
Congress has 21 days to decide. Meanwhile Pence remains acting-POTUS