US President Barack Obama looks toward North Korea from the Demilitarized Zone (DMZ) on the border between North and South Korea, March 25, 2012. US President Barack Obama has pledged to break North Korea’s “pattern of provocative behavior,” urging Pyongyang to refrain from carrying out a planned satellite launch. During a Sunday news conference in the South Korean capital of Seoul, Obama... 

North Korea said the U.S. and South Korea are “inviting a nuclear war” by conducting military drills, even as a Seoul-based think tank predicted that Kim Jong Il’s regime may hold another atomic test next year. South Korea’s Dec. 20 artillery drill on Yeonpyeong Island near the disputed sea border was an intentional provocation, and North Korea is closely watching “the reckless behavior...