Yikes, the recent reports of Bill de Blasio as one “Warren Wilhelm Jr.” were news to me (even as news of his name change was first reported several years ago). Such was the birth name bestowed by his mother, whose maiden name was Maria de Blasio, and his father, Warren Wilhelm Sr., who tragically killed himself when Bill was 18 years old. The parents had bitterly divorced long before that, and the young Warren had steadily pulled away from his father as he was raised by his mother and her Italian family. He identified with them and eventually took...