Israeli Defense Minister Ehud Barak attends a press conference in the Knesset, Israel's parliament, in Jerusalem, Monday, Jan. 17 2011, where he abruptly announced that he was leaving his Labor Party and forming a new parliamentary faction inside the governing coalition. (AP Photo/Bernat Armangue)

Photo by: Bernat Armangue

Israeli Defense Minister Ehud Barak attends a press conference in the Knesset, Israel's parliament, in Jerusalem, Monday, Jan. 17 2011, where he abruptly announced that he was leaving his Labor Party and forming a new parliamentary faction inside the governing coalition. (AP Photo/Bernat Armangue)