A local politician says he was asked to step aside as the commencement speaker at a Catholic high school in Columbus because he has been an advocate for same-sex marriage rights. Franklin County Commissioner John O’Grady offered the explanation yesterday after a parent told The Dispatch he had failed to show up at Saturday’s graduation at Bishop Ready High School on the Hilltop. O’Grady, a 1982 Ready graduate, said Principal Celene Seamen asked him to give the speech about two months ago, but he was told last week that he would not be needed. He said he was told that...