
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)

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)

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)

Lakhdar Brahimi, the U.N.-Arab League envoy to Syria, talks during a joint press conference with Arab League Secretary-General Nabil Elaraby (unseen) following their meeting at the 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)

Secretary of State Hillary Rodham Clinton (right) welcomes Nabil Elaraby (left), Head of the Arab League, during a Clinton-hosted gathering of Friends of Syria group on Sept. 28, 2012, in New York. (Associated Press)

Secretary of State Hillary Rodham Clinton (right) welcomes Nabil Elaraby (left), Head of the Arab League, during a Clinton-hosted gathering of Friends of Syria group on Sept. 28, 2012, in New York. (Associated Press)

“There is an opportunity before the conference of Syrian opposition today that must be seized, and I say and repeat that this opportunity must not be wasted under any circumstance.” — Nabil Elaraby, Arab League chief

“There is an opportunity before the conference of Syrian opposition today that must be seized, and I say and repeat that this opportunity must not be wasted under any circumstance.” — Nabil Elaraby, Arab League chief