North Korea Announces That It Has Detonated First Hydrogen Bomb
http://www.nytimes.com/2016/01/06/world/asia/north-korea-hydrogen-bomb-test.html?smid=fb-share&_r=0 WASHINGTON — North Korea declared Wednesday that it had detonated its first hydrogen bomb. The test, if true, would dramatically escalate the nuclear challenge from one of the world’s most isolated and dangerous states. In a…