“Wait a minute,” Mr. Cardini said. “Why can’t you still give your skits?” “We don’t have a teacher!” Mary complained. “Yes, you do.” “WHO?” we all asked. “Me.” “But you’re the principal!” I said. “Most principals were teachers before they became principals.” “They were?” Sidney made a face. “Yes. And sometimes when a principal can’t get a substitute at the last minute, he has to take over a teacher’s classroom.” Sidney pounded his fist on the desk. “We’re doomed,” he whispered. “We have Mr. Cardini for a teacher.” “No, we’re not!” I whispered back. “Remember when I put mousse on his