In what should be a devastating blow to CBS News and Dan Rather, the Washington Post's Michael Dobbs and Howard Kurtz reported on Tuesday that "the lead expert retained by CBS News to examine disputed memos from President Bush's former squadron commander in the National Guard said yesterday that he examined only the late officer's signature and made no attempt to authenticate the documents themselves. 'There's no way that I, as a document expert, can authenticate them,' Marcel Matley said in a telephone interview from San Francisco. The main reason, he said, is that they are 'copies' that are 'far...