...Mary Mapes, the CBS producer fired over the journalistic fiasco involving President Bush's National Guard service, is the latest in a line of lonely crusaders, defending her work more than a year after it was widely discredited. Dan Rather may have apologized for the story, an independent panel may have denounced it and CBS News may have criticized her "disregard for journalistic standards," but Mapes argues in her new book that the critics are either politically motivated, cowardly or just plain wrong. In challenging those who have questioned her work -- including The Washington Post and this reporter, who is...