Culture wars have more to do with defining who is real American than policing what people do in the bedroom. Dave Krueger speaks with Stephen Prothero about his new book, Why Liberals Win the Culture Wars (Even When They Lose Elections). Prothero a professor of religion at Boston University and is the bestselling author of Religious Literacy: What Every American Needs to Know – And Doesn’t and God is Not One: The Eight Rival Religions that Run the World.