From Steve Reuland over at Panda's Thumb:

We should never allow fake "criticisms" that have been rejected by scientists to be taught in science class for religious reasons; if the subject were astrology or Velikovskian catastrophism, Schlafly would presumably agree. But when it comes to creationism… why that’s censorship! By the same logic, opposing the teaching of Holocaust denial, UFOlogy, or whatever nutty nonsense one can come up with would also be censorship. We can reframe Holocaust denial by saying that we want to teach the evidence both for and against the Holocaust. Shouldn’t we teach the controversy about the Holocaust?