Israeli Defense minister Ehud Barak (left) and U.S. Defense Secretary Leon Panetta meet Aug. 1, 2012, in Tel Aviv. Israel's threats to attack Iran and the violence convulsing Syria top the agenda of Panetta's meetings Wednesday with Israeli government leaders. (Associated Press)

Photo by: Gali Tibbon

Israeli Defense minister Ehud Barak (left) and U.S. Defense Secretary Leon Panetta meet Aug. 1, 2012, in Tel Aviv. Israel's threats to attack Iran and the violence convulsing Syria top the agenda of Panetta's meetings Wednesday with Israeli government leaders. (Associated Press)