North Korea says it's running out of patience with U.S.

SEOUL, Korea, Republic Of -- North Korea on Sunday said it's running out of patience with the United States over what it described as hostile policies and unilateral disarmament demands, and warned that a close personal relationship between the leaders alone wouldn't be enough to prevent nuclear diplomacy from derailing. In a statement published by Pyongyang's official Korean Central News Agency, senior North Korean official Kim Yong Chol said there has been no substantial progress in relations