North Korea and China have a "deeper and more comprehensive mutual understanding," China's official Xinhua news agency reported after Chinese President Xi Jinping took off from Pyongyang on Tuesday afternoon after a summit with Kim Jong Un. "The direction of future development has become clearer and more defined," Xi said at a ​luncheon before his departure, according to Xinhua. North Korea's official Rodong Sinmun newspaper reported after the summit that Xi and North Korean leader Kim