U.N. Security Council

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Syrians gather Feb. 8, 2012, in Doha to protest the use of Russia's veto against the amended resolution on Syria in the U.N. Security Council. (Associated Press)

Syrian regime supporters wave a big portrait of President Bashar Assad on Oct. 12, 2011, during a demonstration in Damascus, Syria, to show their support for Assad and to thank Russia and China for blocking a U.N. Security Council resolution condemning Syria for its brutal crackdown. (Associated Press)

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The U.N. Security Council meets on Saturday, Feb. 26, 2011, to consider new sanctions against Libya to halt a violent crackdown on anti-government protesters, but members disagreed over a proposal to refer Libyan leader Moammar Gadhafi and top aides to an international war crimes tribunal. (AP Photo/Mary Altaffer)

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Vice President Joseph R. Biden Jr. (right) greets Iraqi Foreign Minister Hoshyar Zebari (center) before a meeting of the U.N. Security Council at the world body's headquarters in New York on Wednesday, Dec. 15, 2010. At left is Hamid al-Bayati, Iraq's U.N. ambassador. (AP Photo)

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**FILE** Iranian Foreign Minister Manouchehr Mottaki (right) welcomes diplomats representing the five permanent members of the U.N. Security Council and Germany (left) prior to presenting Iran's package of proposals for new talks with the West in a gathering in Tehran, Iran. (Associated Press)