For his role in exposing the radical right fringe of the Republican Party, Ed Sebesta has been called "a really important national figure." No one--least of all Ed Sebesta--would argue that Ed Sebesta of Oak Cliff brought down Trent Lott. But I can make a pretty good case that Lott would still be majority leader of the Senate if Sebesta had never been born. I have written about Sebesta before: A computer engineer by trade, he was drawn into an avocation as a Web archivist by local issues, beginning with his unsuccessful campaign in the early 1990s to have the...