“When I was in law teaching,” recalled Antonin Scalia in a speech just days before his 1986 nomination to the Supreme Court, “I was fond of doing what is called ‘teaching against the class’—that is, taking positions that the students were almost certain to disagree with, in order to generate some discussion, if not productive thought.” He admitted to doing something similar when addressing public audiences: “It is neither any fun nor any use preaching to the choir.”