Chief Justice William Rehnquist is battling thyroid cancer. Three of his colleagues on the Supreme Court are over seventy. There is no doubt, this presidential term, as to whether George W. Bush will have the chance to name justices to the Court. The only questions worth asking now are who, how, and how many. "Moral Values," Filibusters, and the Fate of Roe v. WadeThe most obviously pressing question, given the possible chief justice vacancy, is who President Bush's nominees will be. During the 2000 presidential campaign, in a telling comment, Bush named Antonin Scalia and Clarence Thomas as the Supreme...