The Holocaust changed what it means to be a Jew, for Jew and non-Jew alike. Much of the discussion about this new meaning is a storm of contradictions. In The Imaginary Jew, Alain Finkielkraut describes with passion and acuity his own passage through that storm. Finkielkraut decodes the shifts in anti-Semitism at the end of the Cold War, chronicles the impact of Israel's policies on European Jews, opposes arguments both for and against cultural...