But he also knows that if he votes against Bolton then Bush will allow primary challenges to Chaffee, where he stands a chance of being defeated by another Republican.
So, all he can hope for is for other Senators to vote with him AGAINST Bolton, so Bush cant blame him directly. Chaffee needs a good beating.
From quidnunc:
Rich Lowry in National Review's 'The corner' seems ti be intimating that Bolton is toast and that it was the Powell/Armitage loyalists still in the State Dept. that burned him.