I'd rather have the devil we do know in that position than yet another 3rd world, 100% anti-American, despot-lovin' twerp that would be a devil we don't know. Honestly, having someone who would defend the US point of view even 10% of the time would be about a 10% improvement over the status quo.
Besides, imagine all the tail he could get travelling the world on the UN's dime. His wife would be none the wiser, not that she gives a damn much about him these days.
Colin Powell would make a better Un SG than Clintoon. I vote we just throw the bums out of our country altogether though.