A senior Palestinian diplomat called for action Tuesday against Israel’s policies in occupied Palestinian lands. A photographer captured the moment U.S. Ambassador Nikki Haley walked out of the United Nations chamber as Riyad Mansour (representing Palestine) began to speak on the violence after the new U.S. Embassy in Jerusalem. (Photo: Drew Angerer/Getty Images) pic.twitter.com/YJyEGilS4s — POLITICO (@politico) May 16, 2018 Palestine’s Permanent Representative to the UN, Riyad Mansour, sent a ...