In some cases it has to be different Republicans.
Corker and Flake have already quit.
Hatch and Heller must be removed for their amnesty votes or they will do it again.
Anyone who votes for amnesty should get primaried.
I'd like Hatch to stay in the Senate because he keeps Romney out of the job.
Better for Romney to spend the rest of his life on the equestrian dressage circuit than in the US Senate.