Why are Sunni Arabs generating waves of terror and zeal for the caliph? I argue that it’s a reaction to a century of steady erosion of Ottoman-era Sunni dominance, especially in the zone between the Mediterranean shore and the Persian Gulf. It’s not a sudden collapse, it’s a long-term unwinding that has taken Jerusalem, Damascus, Beirut and Baghdad out of Sunni hands. The Shiites (and Jews), once last, are now first—and Arab Sunnis blame the West. (I also have something to say about the Sunni-mania in Israel.) Read the entire piece here, at Mosaic Magazine.