'Denuclearization and Peace on the Korean Peninsula: The Role of the United States'

from foreignpolicyjournal.............

..............."the North Korean regime has engaged in several actions which have jeopardized peace and stability on the Korean peninsula and in the Asian Pacificregion, including the launching of a long-range missile, a second nuclear test, the sinking of a South Korean warship, and the artillery bombardment of a South Korean island.  
What emerges from the last two years is a picture of a North Korea that is becoming increasingly aggressive in its efforts to compel a redrawing of the Northern Limit Line, the maritime border between the two Koreas, and increasingly confident of its ability to stand its ground as a nuclear weapons state against the U.S. and its allies"............... LINK