Following a key defection from the ruling coalition, Israel's right-wing opposition will use Jewish identity politics to peel off the final vote needed to force new elections, which could spur violence by emboldening radical groups. On April 6, Idit Silman -- a lawmaker from Prime Minister Naftali Bennett's right-wing pro-settler Yamina party -- defected to former Prime Minister Benjamin Netanyahu's opposition Likud party after she was reportedly promised the position of health minister if Netanyahu returns to power. Silman's departure has left Bennett's coalition without a legislative majority in the 120-seat Knesset, which is now split 60-60 between the government and the opposition. Bennett has held meetings with other Yaminia lawmakers and coalition leaders to try to prevent any additional defections, which would collapse his government and trigger new elections in Israel for the fifth time in four years. But unless Bennett finds support from opposition lawmakers, his coalition will...