Jason Morgan asks, “Should you be telling the truth like Flannery O’Connor, Walker Percy, or Dewey Short?”

Let us say you are in a large lecture hall. The teacher begins to compare Scott Walker to Hitler. (Would that this were only a hypothetical case, but Sara Goldrick-Rab, a sociology professor at the University of Wisconsin in Madison, recently took to Twitter to do just that.) Your hand goes up, perhaps against your better judgment. The professor looks up and acknowledges you. Now what?