Academic Freedom Is Not a Matter of Opinion

Unless you follow academic politics, you might have missed the recent controversy at Hamline University, a small private college in St. Paul, Minnesota. The short version is that a professor named Erika López Prater showed students in her global-art-history class a 14th-century painting depicting the Prophet Muhammad. Aware that many Muslims regard such images as sacrilege, she warned ahead of time that she was going to show the picture and offered to excuse any student who did not want to view it.

Professor López Prater’s contract has not been renewed,...