Stephen L. Carter is a Bloomberg View columnist. He is a professor of law at Yale University and was a clerk to U.S. Supreme Court Justice Thurgood Marshall.
According to the Foundation for Individual Rights in Education, 2016 saw a record number of efforts to keep controversial speakers from being heard on campus -- and that's just in the U.S. To be sure, not all of the attempts succeeded, and the number catalogued, 42, is but a small fraction of the many outsiders who give addresses at colleges and universities each year. The real number of rejected speakers is certainly much higher, once we add in all the people not invited in the first place because some member of this or that committee objects to their views, or because campus authorities fear trouble. But even one would be too many.
Read more: https://www.bloomberg.com/view/articles/2017-03-06/the-ideology-behind-intolerant-college-students