Tensions on the Korean peninsula are ratcheting up. The US has started its annual war games with South Korean forces, and North Korea has used that fact to declare that it is invalidating the armistice agreement that ended the Korean War in 1953. What really has North Korea upset, though, is the tough, new sanctions passed by the United Nations in response to the North's nuclear test last month.Here are the top four questions analysts are wrestling with on the heels of these developments.
A retired Navy captain heads to Pyongyang on Saturday with hopes of traveling in the coming week to the region known in North Korea as the Jangjin Reservoir, accompanied by soldiers from the Korean People's Army, to the spot where his wingman, the Navy's first black pilot, died in December 1950.
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