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)

Photo by: 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)