Close to three quarters of a century ago—all of 13 years before William Golding’sLord of the Flies came out, just 4 years before George Orwell’s Animal Farm, and just months before Pearl Harbor—Arthur Koestler’s dystopic novel, Darkness at Noon, was published in England.  The author would end badly: he’s remembered as the mini-Lamarckian, para-normalist contributor to an Encyclopedia for Sexual Knowledge, and as a vice president of the Voluntary …