Anti-Semitism is widespread in Turkey and intensely motivated by Islamic scriptures. Some Turkish authorities and opinion-shapers have chosen the “easy” way: Use the “Jew card” to demonize Gülen and his supporters. Many pro-government news websites and discussion forums, including pro-government newspapers, are filled with columns that claim Gülen is actually Jewish.A columnist with the pro-government newspaper Sabah, Ersin Ramoğlu, for example, wrote a column entitled “Fethullah Gülen: a Karaite Jew,” in which he “described” how “Jewish Fethullah Gülen has destroyed Turkey, such as by poisoning thousands of young people in his schools.” Then he explained why Gülen engages in all...