Israel's president, Isaac Herzog, has tapped Gadi Eisenkot, Benjamin Netanyahu's chief rival, to try to form a government after the October 27 election left every bloc short of a majority, giving him up to six weeks. Eisenkot won backing from 67 lawmakers to Netanyahu's 46, but faces obstacles: Netanyahu attacks any government relying on Arab-led parties as 'national suicide,' and right-wing parties in Eisenkot's bloc rule out such reliance.