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President Obama's appearance in Oslo last week gave cause for his critics to remind the world, again, of everything his peace-prize-winning diplomacy hasn't accomplished so far. There's been no tangible result from his attempts to engage Iran, North Korea, Syria and other rogues; no clear progress toward Middle East peace; no new steps toward global disarmament. The war in Afghanistan -- something the Nobel judges no doubt look on with disfavor -- just got a lot bigger.