We live, as the Indian essayist Saeed Akhter Mirza has put it, in “an age of amnesia.” Across the world, most notably in the West, we are discarding the knowledge and insights passed down over millennia and replacing it with politically correct bromides cooked up in the media and the academy. In some ways, this process recalls, albeit in digital form, the Middle Ages. Conscious shaping of thought—and the manipulation of the past to serve political purposes—is becoming commonplace and pervasive.