"Debate" invites the audience -- and even more so the performers themselves -- to regard it as something more than simply the skillful execution of tricks. The audience is asked to believe that this prestidigitation is meaningful, that it reveals truth. And, even worse, it asks the performers themselves to believe that. It convinces them to be tricked by their own trickery. These skilled illusionists become delusionists, infected by the old shut-eye. They are tempted to believe their own patter and wind up convincing themselves that the parlor trick of debate has something to do with the open-minded, single-minded pursuit of truth. Read more