WASHINGTON (AP) -- North Korea has accelerated excavation at a site used for underground nuclear test explosions, though a test doesn't appear imminent, a U.S. research institute said Thursday....
By MATTHEW PENNINGTON, Associated Press: Business
Thu, 02/13/2014 - 12:14pm
WASHINGTON (AP) -- North Korea has accelerated excavation at a site used for underground nuclear test explosions, though a test doesn't appear imminent, a U.S. research institute said Thursday....