WASHINGTON – The Trump administration is set to announce Tuesday its departure from the United Nations' main human rights body in its latest withdrawal from an international institution. Secretary of State Mike Pompeo and U.S. Ambassador to the United Nations Nikki Haley will deliver the verdict on the U.N. Human Rights Council in a joint appearance at the State Department, according to four officials familiar with the matter. The officials spoke on condition of anonymity because they were not authorized to publicly preview the decision, the specifics of which are to be laid out by Haley. Haley threatened the pull-out last year, citing longstanding U.S.