Former U.S. deputy special envoy Ellie Cohanim weighs in on the U.S.’ revocation of South Sudan visas, antisemitism on college campuses and the president narrowing down picks for the ambassador to the United Nations. Former U.S. deputy special envoy Ellie Cohanim weighs in on the U.S.’ revocation of South Sudan visas, antisemitism on college campuses and the president narrowing down picks for the ambassador to the United Nations.