The violence happens offstage. This is usually where it happens, both in our conversations about antisemitism and in Joshua Harmon’s new play Prayer for the French Republic, which draws us into the life of a French Jewish family struggling to decide whether it is safe to remain in the country they have called home for generations. The play is just finishing an extended eight-week debut off Broadway, where it has garnered largely positive reviews. Timely and tenacious, Prayer raises some big questions about the way we understand antisemitism, challenging us as twenty-first century Americans to absorb the fullness of its...