Ban Ki-Moon

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Ban Ki-moon

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U.N. Secretary-General Ban Ki-moon speaks during a press conference after a meeting of international organizations concerning the Libya situation at the Arab League headquarters in Cairo on Thursday, April 14, 2011. (AP Photo/Khalil Hamra)

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U.N. Secretary-General Ban Ki-moon greets Libya's U.N. ambassador, Mohamed Shalgham, after a meeting of the Security Council at the United Nations in New York on Friday, Feb. 25, 2011. (AP Photo/Frank Franklin II)

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**FILE** U.N. Secretary-General Ban Ki-moon (The Washington Times)

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Myanmar's pro-democracy leader, Aung San Suu Kyi, shakes hands with Vijay Nambiar, chief of staff for U.N. Secretary-General Ban Ki-moon, after their meeting at her home on Saturday in Yangon, Myanmar. Mrs. Suu Kyi met for more than an hour with Mr. Nambiar and said she hopes the talks will be the first of many with the world body to solve the country's problems. (Associated Press)

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Jeffrey Sachs, special adviser to U.N. Secretary-General Ban Ki-moon (The Earth Institute Columbia University)

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U.N. Secretary-General Ban Ki-moon (left) and Joseph Deiss, president of the U.N. General Assembly, compare time at the summit on the Millennium Development Goals at the United Nations headquarters in New York on Monday, Sept. 20, 2010. (AP Photo/Richard Drew)

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UN Secretary-General Ban Ki-moon, left, and Joseph Deiss, of Switzerland and President of the UN General Assembly, compare their watches at the summit on the Millennium Development Goals at United Nations headquarters, Monday, Sept. 20, 2010. (AP Photo/Richard Drew)

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United Nations Secretary-General Ban Ki-moon addresses a summit on the Millennium Development Goals at United Nations headquarters on Monday, Sept. 20, 2010. (AP Photo/Henny Ray Abrams)

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In this photo provided by the United Nations, U.N. Secretary General Ban Ki-moon's helicopter flies over the flood waters in the Province of Punjab, near the city of Multan in Pakistan, Sunday, Aug. 15, 2010. U.N. Secretary General Ban Ki-moon said Sunday he has never seen anything like the flood disaster in Pakistan after surveying the devastation and urged foreign donors to speed up assistance to the 20 million people affected. (AP Photo/United Nations, Evan Echneider)

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U.N. Secretary-General Ban Ki-moon (left) introduces Pakistani Prime Minister Yousuf Raza Gilani to the members of his delegation at the prime minister's house in Islamabad, Pakistan, on Sunday, Aug. 15, 2010. Mr. Ban traveled to flood-ravaged Pakistan to boost relief efforts as the 20 million people made homeless in one of the worst disasters to hit the country grow increasingly desperate. (AP Photo/B.K. Bangash)

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Afghan President Hamid Karzai, left, walks with U.N. Secretary General Ban Ki-moon, center, and Catherine Ashton, the European Union foreign policy minister, right, to a group photo after an international conference at the Foreign Ministry in Kabul, Afghanistan on Tuesday, July 20, 2010. (AP Photo/Musadeq Sadeq)

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U.N. Secretary General Ban Ki-moon, left, gestures as Afghan President Hamid Karzai, center, and U.S. Secretary of State Hillary Rodham Clinton, right, prepare to pose for a group photo after the Kabul International Conference at the Foreign Ministry in Kabul, Afghanistan on Tuesday, July 20, 2010. (AP Photo/Musadeq Sadeq)