Jews are somehow supposed to be more nefarious than other people, wielding great power while also being seen as less than, and weaker than the people who surround them. Throughout history this same conspiracy theory has reared its ugly head in a variety of forms. Religious antisemitism presents Jews as "Christ-killers," developing over time into the antisemitic canard of "blood libel," in which Jews were accused of murdering Christians or other non-Jewish children and using their blood in religious rituals. Economic, social, and ideological antisemitism presents Jews as a devious and subversive force on the national or international scene, deliberately...