The tale of John Edwards’ $400 haircuts may have ended – or at least his campaign hopes it ended – when Mr. Edwards told Iowans on Friday that he was embarrassed by the episode. It arguably began four years ago this weekend with a story in The New York Times about the White House’s strategy for dealing with prospective Democratic challengers to President Bush. In the last paragraph of that story, which I wrote with a colleague, Richard W. Stevenson, an unnamed “Bush associate” was quoted as referring to Mr. Edwards as “the Breck Girl of politics.” Another Bush adviser,...