The international situation on the Korean peninsula is not improving.
This is a time not so much for American leadership, but rather the opportunity for China to assume a greater diplomatic role.
This is the main thrust of the article in the Economist tweet today: http://www.economist.com/opinion/displaystory.cfm?story_id=16216482&fsrc=scn/tw/te/rss/pe
China's unwillingness or inability to deal with Pyongyang will have major short-term effects. In the long-term the delay of affirmative action does not bode well for China's neighbors.