Yesterday morning, my nine-year-old daughter asked me if I knew they have terror drills at her (Jewish) school. She explained, calmly, the way children describe how they spent their day, how they hid under their desks in absolute silence. Studying behind barricades, bulletproof doors and windows - the permanent architecture of Jewish life in the West. With armed guards - German police and Jewish/Israeli private security. Some days ago, a Jewish school in Amsterdam was bombed. Now go send your child to school after this. This is not hysteria. This is just an ordinary day. Which other group of children...