|Corporal Conroy needed to use a pay phone, but didn't havechange for a dollar. He saw Private Duncan mopping the base'scorridor floors, and asked him,"Soldier, do you have change for a dollar?"Private Duncan replied, "Sure."The Corporal turned red. He said, "That's no way to address asuperior officer! Now let's try it again. Private, do you havechange for a dollar?"Private Duncan replied, "No, SIR!"