Here’s a new slogan for the zeitgeist: stay quiet and you’ll be OK. This was the message, according to the tapes released last week, that Muhammad Atta gave to the passengers on the ill-fated airplane that he and his fellow terrorists had commandeered. Stay quiet and you’ll be OK. Don’t mention that a Saudi imam who spoke at the opening of a large new Islamic center in London once preached a sermon in which he called Jews “evil offspring, infidels, distorters of [others’] words, calf-worshippers, prophet-murderers, prophecy-deniers... the scum of the human race ‘whom Allah cursed and turned into apes...