The Washington Post's Valerie Strauss has inadvertently done the country an invaluable service by allowing the rest of us to travel through the looking-glass into a universe where things are the opposite of real life: the world of far-left thought on education. Strauss gave premium blogspace to a bitter article by a former education fellow for The Progressive magazine, Sarah Lahm. The piece, titled "What Passes for School Choice Rhetoric is Frightening," is rife with errors and half-truths. It is hard to imagine a more factually bankrupt anti-school choice "argument" could be written, and by shining a gigantic spotlight on...