A Tibetan man protesting China’s occupation fatally set himself on fire outside the United Nations headquarters in Manhattan on Thursday evening, capturing the horrifying scene on livestreamed footage. The protester, identified by a friend as Lobga Rangzen, was dressed in full monastic garb when he planted a Tibetan flag on the sidewalk and then self-immolated along the busy street during the evening rush, according to the video. He scattered pieces of paper as he burned to death. Rangzen, who has lived in the US for about 20 years and worked as an Uber driver, crumbled to the ground less than...