I’ve since learned to phrase questions so as to put the group in a place where they know as much or more about the topic than I. It’s not a matter of playing dumb. Rather it’s drawing upon their unique experience. For instance, this is a book about leadership. Suppose I wanted to involve a group of readers in a discussion of group leadership. I could ask, “What are the five main principles of discussion leadership?” I could, but getting your thoughts would be like pulling teeth. You’d reason that