A Chinese leader visiting North Korea days after its missile tests defied international opinion said on Monday that Beijing stood by its Communist neighbor, adding to uncertainty about China's position in the standoff. Vice Premier Hui Liangyu's "friendship delegation" arrived in Pyongyang earlier in the day for a six-day visit announced before North Korea last week test-fired seven missiles, one of them a long-range Taepodong-2 that fell into the sea moments after launch. I bet they didn't take the train.