The prospect of overturning Roe v. Wade may be only incentive powerful enough to turn a disillusioned conservative into a motivated McCain voter this November. After the betrayals of the Bush era, many on the Right still point to the ascendance of John Roberts and Samuel Alito to the Supreme Court and proclaim, “It was worth it.” Campaigning across the country, McCain promises conservative audiences, “We’re going to have justices like Roberts and Alito.” And Sen. John Cornyn told the New York Times that judges “are the one issue that cuts across all aspects of the Republican coalition,” saying that...