Those who write about teaching persona (the slice of our identities that constitutes the “public teaching self”) encourage us to start by reflecting on the messages we want to send to students. A dialogue with ourselves is a useful beginning, but for the last days of a semester another option might be more intriguing and revealing. A teaching persona is communicated in formal and informal ways. The formal ways frame the learning environment—choices we make about the syllabus, policies, grading,…