The culprits (other than the bad guys, of occurs) are:
Olmert, who had the opportunity,the motive, and the means to seriously damage, if not destroy, for four weeks, and blew it.
C. Rice, who has been shown to be a both incompetent and weak in confronting Iran. It was due to her that two months ago the U.S. changed its long-standing policy and offered "inducements" to the mullahs. The results of this mistaken policy are evident.
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Also add President Bush, since he is Condi's supervisor.
What has Bush done??
He has stalled the UN Security Council long enough for Olmert to do his job...and Condi and Bush supposedly have argued over this..
I don't think Bush has any fault in this up to this point.