Yes he is. He needs to be replaced ASAP.
Agreed, and yet he apparently won’t ever be replaced until he quits/retires.
So moving forward, how to best limit the damage he causes by his anti-Republican behavior?
BTW, have any US Congressmen ever publicly admitted that they were being blackmailed? Or is the process so smooth and perfected that the blackmailers have also frightened their targets into never publicly speaking out against what is happening?