you communicate warmth and likeability to a roomful of teenagers in the middle of a talk? • Use their names. In illustrations, in referencing common memories— any way you can. Their names are their greatest possessions. • Use humor. We never joke with our enemies. You’ll never see Darth Vader stride menacingly onto the bridge of an enemy’s spacecraft and say, “Okay, stop me if you’ve heard this one—an android and a wookie walk into a bar…” In communication, humor, if it’s really humorous, is the great