When I was a child, my mother’s Aunt Irene would sometimes visit us. Irene was deaf, but she communicated by reading lips and speaking in what sounded like French to my young ears. Mom, who had grown up around Irene, could understand her perfectly. I felt as if I needed those headsets that U.N. delegates wear so translators can interpret the proceedings in the listener’s native tongue. My interactions with Irene surely contributed to my fascination with Helen Keller, whose ea