“Dutch author and sociologist Ruud Koopmans said this week that Muslims are more difficult to integrate into Western society than other migrant groups because of a literal interpretation of the Quran prevalent among Muslims.” Koopmans called this a “threat to world peace.” Most Muslims agree that “Muslims should return to the roots of Islam,” while a whopping “75 percent think there is only one interpretation of the Qur’an possible to which every Muslim should stick.” That interpretation is normative Islam, and the one that resulted in over 11 million Muslims being murdered for not being Muslim enough since 1948, along...