Kim Jong Un picked China as his first country to visit as North Korea's supreme leader, apparently aiming to improve ties between Pyongyang and Beijing in the run-up to envisioned summits with the South Korean and U.S. leaders.North Korea and China have been described as "blood brothers" since the 1950-53 Korean War, but bilateral relations have been souring in recent years as Kim has pursued nuclear weapons, which could even pose a direct threat to Beijing in the future.Kim, who made a surprise trip to China from Sunday to Wednesday, may be trying to draw Chinese President Xi Jinping to hi…READ FULL ARTICLE