As Shas concludes its first 30 years, it has been swept up into a perfect storm. The death this week of its spiritual mentor, Rabbi Ovadia Yosef, came at a highly inopportune political moment. To begin with, Shas is in the opposition. Second, the education minister, whose hand is on the budget faucet for the yeshivas, is from Yesh Atid. Third, the party’s voters are groaning under the yoke of economic hammer...