U.S. and allies clash with China and Russia over North Korea's launches and threats to use nukes

Open this photo in gallery: A North Korean military guard post, top, and South Korean post, bottom, are seen from Paju, South Korea, near the border with North Korea, on May 31.Ahn Young-joon/The Associated Press The United States and allies South Korea and Japan clashed with China and Russia Friday over North Korea's latest satellite and ballistic missile launches and threats to use nuclear weapons that have escalated tensions in northeast Asia. The scene was an emergency open meeting of the U.N. Security Council called after North Korea's failed launch of a military reconnaissance satellite on May 27 and other…