A year after Jimmy Carter lost his re-election race to Ronald Reagan, Hamilton Jordan, his former White House chief of staff, sat down for a lengthy interview with scholars at the Miller Center of Public Affairs at the University of Virginia. Last week, after hearing the news of Jordan's death, friends at the center sent me a transcript of that 27-year-old interview. As they predicted, it was of intense interest for current politics, and particularly on the challenge facing Barack Obama. The main theme of Jordan's interview was this intriguing observation: "Only because of the fragmentation that had taken place"...