Constance Putnam Concord, Massachusetts, United States   Schoolyard taunts generally convey an obvious message to all who hear them: “Fatso,” “Four Eyes,” “Slowpoke,” “Dumbo.” One directed at me when I was a child, however, baffled me: “You think you’re so smart, just ’cause your dad’s a doctor!” To be sure, my dad was a doctor,…