The moves are the latest in an escalating standoff between the Koreas that began in January when **rth Korea detonated what it said was an "H-bomb of justice," its fourth nuclear test. Since then, Pyongyang has launched a long-range rocket; Seoul has shut down the last remaining cooperative project between the rivals, a jointly run factory park in the **rth Korean border town of Kaesong, and slapped sanctions on the **rth over its recent nuclear test and rocket launch; the U.N. has imposed sanctions; and the **rth has threatened nuclear strikes on Seoul and the U.S. mainland. Read more...