United Nations

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U.N. Secretary General Antonio Guterres visits the U.N.-run Zaatari camp for Syrian refugees, in northern Jordan, Tuesday, March 28, 2017. Guterres appealed to Arab states to overcome their divisions on Syria and help end the country's six-year-old civil war. The U.N. chief is to attend an annual Arab Summit in Jordan on Wednesday. (AP Photo/Raad Adayleh)

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U.N. Secretary General Antonio Guterres visits the U.N.-run Zaatari camp for Syrian refugees, in northern Jordan, Tuesday, March 28, 2017. Guterres appealed to Arab states to overcome their divisions on Syria and help end the country's six-year-old civil war. The U.N. chief is to attend an annual Arab Summit in Jordan on Wednesday. (AP Photo/Raad Adayleh)

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U.N. Secretary General Antonio Guterres, second left, visits the U.N.-run Zaatari camp for Syrian refugees, in northern Jordan, Tuesday, March 28, 2017. Guterres appealed to Arab states to overcome their divisions on Syria and help end the country's six-year-old civil war. The U.N. chief is to attend an annual Arab Summit in Jordan on Wednesday. (AP Photo/Raad Adayleh)

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U.N. Secretary General Antonio Guterres talks to Syrian refugees in a 4th grade classroom at the U.N.-run Zaatari camp for Syrian refugees, in northern Jordan, Tuesday, March 28, 2017. Guterres appealed to Arab states to overcome their divisions on Syria and help end the country's six-year-old civil war. The U.N. chief is to attend an annual Arab Summit in Jordan on Wednesday. (AP Photo/Raad Adayleh)

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FILE - In this March 26, 2006, file photo, U.N. troops from Uruguay march during a transitional ceremony at the U.N. Spain base in Forte-Liberte, Haiti. Uruguay's president Tabare Vazquez said Monday, March 20, 2017, that his country is pulling its soldiers out of a United Nations peacekeeping mission in Haiti, where they have served since 2004. (AP Photo/Ariana Cubillos, File)

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In this Feb. 22, 2017 photo, U.N. peacekeepers from Brazil patrol in the Cite Soleil slum, in Port-au-Prince, Haiti. It took U.N. troops three years to gain control over the sprawling district of Cite Soleil, but it's now placid even though its residents still live in desperate poverty. (AP Photo/Dieu Nalio Chery)

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In this Feb. 22, 2017 photo, U.N. peacekeepers from Brazil fist bump with children as they patrol in the Cite Soleil slum, in Port-au-Prince, Haiti. Years of easygoing patrols is a clear sign to many both in Haiti and around the world that it's time to wrap up a U.N. force that's been cycling through this Caribbean country since a 2004 rebellion engulfed Haiti in violence. (AP Photo/Dieu Nalio Chery)

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In this Feb. 22, 2017 photo, children play in the street while U.N. peacekeepers from Brazil patrol in the Cite Soleil slum, in Port-au-Prince, Haiti. It took U.N. troops three years to gain control over the sprawling district of Cite Solel, but it's now placid even though its residents still live in desperate poverty. (AP Photo/Dieu Nalio Chery)

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In this Feb. 22, 2017 photo, U.N. peacekeepers from Brazil meet before patrolling in the Cite Soleil slum, in Port-au-Prince, Haiti. The U.N.'s first-ever "stabilization" mission came to Haiti in 2004 following a rebellion that had the country on the brink of collapse and ousted then-President Jean-Bertrand Aristide. (AP Photo/Dieu Nalio Chery)

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In this Feb. 22, 2017 photo, U.N. peacekeepers from Brazil patrol the Cite Soleil slum in Port-au-Prince, Haiti. They faced no greater threat than a few barking dogs along some of the same streets where pitched gun battles between gangs and U.N. peacekeepers used to be a daily occurrence. (AP Photo/Dieu Nalio Chery)

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A picture of Vitaly Churkin, Russia's ambassador to the United Nations, is displayed while people sign condolences books at the Russian Mission to the U.N. in New York, Tuesday, Feb. 21, 2017. The city medical examiner was expected to perform an autopsy Tuesday on Russia's ambassador to the U.N., who died a day earlier after falling ill at his office at Russia's U.N. mission. (AP Photo/Seth Wenig)

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A man pauses after signing a condolences book for Vitaly Churkin, Russia's ambassador to the United Nations, at the Russian Mission to the U.N. in New York, Tuesday, Feb. 21, 2017. The city medical examiner was expected to perform an autopsy Tuesday on Russia's ambassador to the U.N., who died a day earlier after falling ill at his office at Russia's U.N. mission. (AP Photo/Seth Wenig)

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A picture of Vitaly Churkin, Russia's ambassador to the United Nations, is displayed while people sign condolences books at the Russian Mission to the U.N. in New York, Tuesday, Feb. 21, 2017. The city medical examiner was expected to perform an autopsy Tuesday on Russia's ambassador to the U.N., who died a day earlier after falling ill at his office at Russia's U.N. mission. (AP Photo/Seth Wenig)

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A picture of Vitaly Churkin, Russia's ambassador to the United Nations, is displayed while people sign condolences books at the Russian Mission to the U.N. in New York, Tuesday, Feb. 21, 2017. The city medical examiner was expected to perform an autopsy Tuesday on Russia's ambassador to the U.N., who died a day earlier after falling ill at his office at Russia's U.N. mission. (AP Photo/Seth Wenig)

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The United Nations Security Council observes a moment of silence for Russian Ambassador Vitaly Churkin, Tuesday, Feb. 21, 2017. Churkin, Russia's ambassador to the United Nations since 2006, died suddenly after falling ill at his office at Russia's U.N. mission Monday.He was the longest-serving ambassador on the Security Council, the U.N.'s most powerful body. (AP Photo/Richard Drew)

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A United Nations security officer raises the Russian flag outside U.N. headquarters, Tuesday morning, Feb. 21, 2017. Vitaly Churkin, Russia's ambassador to the United Nations since 2006, died suddenly after falling ill at his office at Russia's U.N. mission Monday. He was the longest-serving ambassador on the Security Council, the U.N.'s most powerful body. (AP Photo/Richard Drew)

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In this Thursday, Feb. 2, 2017, file photo, Russia's Ambassador to the U.N. Vitaly Churkin addresses a Security Council meeting at the United Nations. Russian officials said their ambassador to United Nations, Churkin, has died in New York City on Monday, Feb. 20, 2017. (AP Photo/Richard Drew, File)

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Illustration on the dream and reality of the U.N. by Linas Garsys/The Washington Times

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South Carolina Governor Henry McMaster kisses his wife, Peggy, after being sworn in as governor during a ceremonial swearing in at the Statehouse Tuesday Jan. 24, 2017, in Columbia, S.C. At far left is former governor and current ambassador to the United Nations Nikki Haley. Haley resigned as governor to be ambassador to the United Nations. At far right is McMaster's son Henry McMaster, Jr. (AP Photo/Mic Smith)

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U.N. Special Envoy for Syria Staffan de Mistura arrives to attend the talks on Syrian peace in Astana, Kazakhstan, Monday, Jan. 23, 2017. The United Nations envoy to Syria calls on participants in the Russia, Turkey-backed talks in Kazakhstan to agree on mechanism to implement a nationwide truce. (AP Photo/Sergei Grits)