PHILADELPHIA — During the Pennsylvania race for U.S. Senate, Lt. Gov. John Fetterman defeated television star Mehmet Oz. Now he has his sights set on Hollywood. Fetterman shared on Twitter he’s set to make a cameo in “The Pale Blue Eye,” a 19th century crime drama featuring Christian Bale. The Academy Award winner plays a New York City detective quietly investigating a grisly murder at West Point, where he’s assisted by a young cadet at the military academy named Edgar Allan Poe. The film, directed by Scott Cooper, is based on the 2006 novel of the same name by Princeton grad Louis Bayard. The…