U.N. Secretary-General Ban Ki-moon waves as he leaves the Institute of Respiratory Medicine in Kuala Lumpur, Malaysia, on Thursday, March 22, 2012, after a visit in conjunction with the upcoming World Tuberculosis Day. (AP Photo/Lai Seng Sin)
U.N. Secretary-General Ban Ki-moon (center) and Indonesian Defense Minister Purnomo Yusgiantoro (left) applaud as Indonesian President Susilo Bambang Yudhoyono strikes a gong to mark the opening of the Jakarta International Defense Dialogue in Jakarta, Indonesia, on Wednesday, March 21, 2012. (AP Photo/Tatan Syuflana)
U.N. Secretary-General Ban Ki-moon addresses the London Conference on Somalia at Lancaster House in London on Thursday, Feb. 23, 2012. (AP Photo/Matt Dunham, Pool)
Palestinian demonstrators surround the convoy of U.N. Secretary-General Ban Ki-moon as it enters the Erez border crossing between Israel and Gaza on Thursday, Feb. 2, 2012. (AP Photo/Hatem Moussa)
U.N. Secretary-General Ban Ki-moon (left) and Lebanese Prime Minister Najib Mikati attend the opening session of a conference on democracy in the Arab world in Beirut on Sunday, Jan. 15, 2012. (AP Photo/Bilal Hussein)
Afghanistan President Hamid Karzai shakes hands with U.N. Secretary General Ban Ki-moon (center), while German Foreign Minister Guido Westerwelle (right) stands next to them at the International Afghanistan Conference in Bonn on Monday. (Associated Press)
** FILE ** Thai Prime Minister Yingluck Shinawatra answers reporters questions during a joint press conference with U.N. Secretary-General Ban Ki-moon at the Government House in Bangkok, Thailand, on Wednesday Nov. 16, 2011. (AP Photo/Damir Sagolj, Pool)
Palestinian President Mahmoud Abbas (left) poses for a picture with Secretary-General Ban Ki-moon after giving him a letter requesting recognition of Palestine as a state during the 66th session of the General Assembly at United Nations headquarters on Sept. 23, 2011. (Associated Press)
ASSOCIATED PRESS PHOTOGRAPHS President Joseph Kabila (far left) arrives for the yearly national parade held in Kinshasa. He has held office for more than 10 years and recently secured constitutional changes that strengthen his powers and revise the country's voting system. He faces a possible challenge at the polls this November from Jean-Pierre Bemba, Vital Kamerhe and Etienne Tshisekedi (starting second photo, left). Mr. Bemba is awaiting a war crimes trial at the International Criminal Court at The Hague. United Nations Secretary-General Ban Ki-moon, left, and National Assembly President Vital Kamerhe, right, shake hands in Kinshasa, Congo, Saturday, Jan. 27, 2007. Ki-moon held up Congo's first elections in 46 years as a sign of hope for the rest of war-torn Africa, praising the country's fragile democracy Saturday. (AP Photo/John Bompeng) Veteran opposition leader Etienne Tshisekedi is seen at his residence in Kinshasa, Congo in this Thursday, June 15, 2006 photo. A former prime minister under the Mobutu regime, he remains an influential figure and his support could boost any of Congo's presidential hopefuls. (AP Photo)
