No moment in the history of the United States casts a longer shadow than Pearl Harbor. “Remembering” it has become a national imperative, a patriotic duty for the American people, and reminding us of that duty has become a ritual of media and political discourse—repeated so often and in so many ways that it’s become part of the routine of our communal life. You might say, even 80 years after the fact, Pearl Harbor is still a national obsession.