A renowned professor and historian, Garry Wills won a Pulitzer Prize for his riveting book Lincoln at Gettysburg: The Words That Remade America. In acclaimed works like What Jesus Meant and What Paul Meant, he deftly examines the lives of major biblical figures. In our interview, Wills explains why he considers himself to be a "questioning" Roman Catholic. "Faith should always be something that is examined," he reflects.