When this is used as an argument for why a Republican Senator is voting *even against witnesses,* it strikes at the heart of the system.
It is our job, in our time, to make our constitutional structure work amidst them, or modify it until it does.
In explicitly arguing that part of why he can't vote for witnesses is that the Republican Party opposes impeachment, Alexander is doing the opposite.
amazon.com/Why-Were-Polar…