Patrick Michael Ward’s is the face that many visitors to New York City see smiling at them in photographs they take back to their homes around the world. He is the police officer who guards St. Patrick’s Cathedral, the man in a blue uniform before a limestone and marble church facade with each black shoe planted in a different institution. There he is, Officer Ward: a former military policeman in the Army, the officer with the big hazel eyes, hair cut short, and a black and silver mustache like a wire brush. Officer Ward: Jean and Thomas Ward’s son, easy...