Rival said:
While the Obamatons may disagree, I'm thinking this was a political stunt, to make it difficult for Obama to take action on Iran.
People have got them on a number of occasions despite their involvement in wars and questionable human rights issues.
Henry Kissinger for example got one for the Vietnam war peace process right after he was a key instigator of massive bombings against the North Vietnamese in Cambodia.
Yasser Arafat - ditto. Got his for being basically a well-spoken, smarter than average terrorist.