Jason Riley has now joined the long and distinguished list of people invited — and then disinvited — to give a talk on a college campus, in this case Virginia Tech. Mr. Riley is a Senior Fellow at the Manhattan Institute, a columnist for the Wall Street Journal and, perhaps most relevantly, author of a very insightful book titled "Please Stop Helping Us: How Liberals Make It Harder for Blacks to Succeed." In short, Jason Riley's views on race are different from the views that prevail on most college campuses. At one time, 50 years ago or earlier, exposing students...