A slide showing the U.S. response to North Korea's threat is pictured during the presentation by U.S....
A slide showing the U.S. response to North Korea's threat is pictured during the presentation by U.S. Army Captain Murzban Morris of the Departement of Defense Joint Staff at the Conference on Disarmament at the United Nations Office in Geneva, Switzerland August 30, 2017. REUTERS/Denis Balibouse
