There are today several odious attempts by Jewish extremists, like this one by Martin Peretz and this one by La Pasionaria of the Neocons, to argue that the massacre perpetrated by Nidal Hasan was somehow a direct consequence of his Islamic beliefs as opposed to a direct consequence of his insanity. To be sure, extreme religious beliefs and violent insanity are not mutually exclusive. Indeed, they tend to track--among fanatics of all religions. There was, for example, the lunatic Jewish settler, Baruch Goldstein, who opened fire on Muslims praying at the Tomb of the Patriarchs in Hebron in 1994, killing...