We'll probably never know, unless he writes memoirs. Hamas reconciliation? A preview of Netanyahu's or Obama's upcoming speeches? A health issue? Advice from Bin Laden's wives? Or maybe this has been coming along for a while, based on general futility, and the news finally leaked out. Hopefully this means a new strategy is on the way, and not just surrender to the ongoing situation of chaos, conflict, and containment. More realistically, I think Middle East Peace just got shoved to the back burner, maybe on simmer or maybe off, unless the US is preparing to let the Quartet lead instead of follow.
UN experts: North Korea continues to evade UN sanctions (AP)
from the article: U.S. official: Mideast envoy George Mitchell to resign Friday