Part IV

Joan Felt and her father W. Mark Felt ("Deep Throat") appear in front of their home in Santa Rosa, Calif. in this May 31, 2005, file photo. After I. Lewis “Scooter” Libby’s conviction on perjury charges people wonder if President Bush will to risk the kind of political grief that pardons form Richard Nixon, Mark Felt, Caspar Weinberger and Marc Rich brought the presidents who granted them. (AP Photo/Ben Margot, File)