As to Clark, I don't subscribe to the hyperpolarized view of politics prevalent on FR. He has been found wanting in his choice of party and statements regarding Iraq since announcing his candidacy, either of which are enough to disqualify him for consideration for my vote.
Milosevic's trial, and Clark's testimony therin, however, is a seperate issue from his candidacy. If you are ultimately unable to seperate the two, then that's an issue for you to work upon, not me.