UN Secretary-General Antonio Guterres (L), International Olympic Committee (IOC) President Thomas Bach (2nd from L) and China's President Xi Jinping (3rd from L) wave during the opening ceremony of the Beijing Winter Olympics – Copyright AFP Luis ROBAYO UN Secretary-General Antonio Guterres told leaders in Beijing he expects them to allow UN human rights chief Michelle Bachelet to make a “credible” visit to China including a stop in the troubled Xinjiang region, his spokesman said Saturday. Guterres met with Chinese President Xi Jinping and Foreign Minister Wang Yi on the sidelines of the Winter Olympics, according to a readout of…