U.N. inspectors have verified that North Korea shut down its nuclear reactor, the watchdog agency’s chief said Monday, the first on-the-ground achievement toward scaling back Pyongyang’s nuclear ambitions since the international standoff began in late 2002. The main U.S. envoy on the issue, meanwhile, said that the United States is looking to build on momentum and will start deliberations on removing North Korea from a list of terrorism-sponsoring states. Full Story