Lakhdar Brahimi (left), the U.N.-Arab League envoy to Syria, shakes hands with Arab League Secretary-General Nabil Elaraby following a joint press conference at the league's headquarters in Cairo on Sunday, Dec. 30, 2012. (AP Photo/Nasser Nasser)
Lakhdar Brahimi (left), the U.N.-Arab League envoy to Syria, shakes hands with Arab League Secretary-General Nabil Elaraby following a joint press conference at the league's headquarters in Cairo on Sunday, Dec. 30, 2012. (AP Photo/Nasser Nasser)
Lakhdar Brahimi (left), an envoy of the United Nations and Arab League, visits Monday with Syrian President Bashar Assad in Damascus in an effort to find a way out of the civil war that activists say has killed more than 40,000 people. (Associated Press)
Lakhdar Brahimi (left), an envoy of the United Nations and Arab League, visits Monday with Syrian President Bashar Assad in Damascus in an effort to find a way out of the civil war that activists say has killed more than 40,000 people. (Associated Press)
Susan Rice, U.N. ambassador to the United Nations, votes to support a Security Council resolution backing an Arab League call for Syrian President Bashar Assad to step down, at the world body's headquarters on Saturday, Feb. 4, 2012. The unusual weekend session came as Syrian forces pummeled the city of Homs with mortars and artillery in what activists are calling one of the bloodiest episodes of the uprising. (AP Photo/Mary Altaffer)
Susan Rice, U.S. ambassador to the United Nations, leans near Syria's desk space as she takes a call before voting on a draft resolution backing an Arab League call for Syrian President Bashar Assad to step down, which was vetoed by Russia and China, during a meeting of the U.N. Security Council at the world body's headquarters on Saturday, Feb. 4, 2012. The unusual weekend session came as Syrian forces pummeled the city of Homs with mortars and artillery in what activists are calling one of the bloodiest episodes of the uprising. (AP Photo/Jason DeCrow)
Arab League Secretary General Nabil Elaraby, Hamas Prime Minister Ismail Haniyeh and Egyptian Foreign Minister Mohammed Kamel Amr unite with the people Tin Gaza City on Tuesday. World leaders traveled to the region on a truce mission. (Associated Press)
Syrian President Bashar Assad (left) greets U.N. and Arab League envoy Lakhdar Brahimi before their closed-door meeting in Damascus, Syria, on Sunday, Oct. 21, 2012. (AP Photo/SANA)
Lakhdar Brahimi (from right), the U.N.-Arab League envoy to Syria; former Irish President Mary Robinson; former U.S. President Jimmy Carter; Arab League Secretary-General Nabil Elaraby; and former Norwegian Prime Minister Gro Harlem Brundtland attend a press conference after their meeting at the Arab League headquarters in Cairo on Wednesday, Oct. 24, 2012. Mr. Brahimi says the Syrian government and some rebel leaders have agreed to a cease-fire during the upcoming four-day Muslim holiday. (AP Photo/Nasser Nasser)
