Israeli Prime Minister Benjamin Netanyahu attends the weekly cabinet meeting in his Jerusalem office, Sunday, March 10, 2013. (AP Photo/Sebastian Scheiner, Pool)
Israeli Prime Minister Benjamin Netanyahu, left, shakes hands with Israeli President Simon Peres during a brief ceremony in the president' Jerusalem residence Saturday Feb. 2, 2013. (Associated Press)
Israeli Prime Minister Benjamin Netanyahu casts his ballot accompanied by his wife, Sara, and their sons Yair and Avner in Jerusalem in Tuesday’s parliamentary elections. (Associated Press)
** FILE ** In this Thursday, Jan. 17, 2013, file photograph, a worker hangs a huge poster with an image of Israel's Prime Minister Benjamin Netanyahu overlooking the Ayalon freeway in Tel Aviv, Israel. (AP Photo/Ariel Schalit, File)
Israeli Prime Minister Benjamin Netanyahu (center) heads the weekly Cabinet meeting in his Jerusalem office on Sunday, Jan. 6, 2013. Mr. Netanyahu said Israel will erect a fortified fence on the border with Syria to protect against radical Islamist forces that he claims have taken over the area. (AP Photo/Uriel Sinai, Pool)