In Texas people love to tell “Aggie jokes.” (Aggies are students at Texas A&M University—an agricultural school and an excellent institution.) A group of Aggies were at a camp one summer with students from other schools. They were the butt of so many jokes that they finally gave an ultimatum: The next person who tells an Aggie joke gets thrown into the stream! Everything was quiet for several days. Then one morning the camp director got up as usual to report on current