National Enquirer columnist Mike Walker has written a devastating expose of the real Dan Rather, showing conclusively that the self-proclaimed emperor of TV news is really stark naked. In an exclusive interview Walker told NewsMax.com why he took the time to probe Dan Rather and the story behind Rathergate in his best-selling new book, "Rather Dumb: A Top Tabloid Reporter Tells CBS How to Do News." NewsMax: Mike, what made you, a celebrity columnist, write "Rather Dumb"? Walker: I never even thought about Dan Rather – he's just this wacko, weirdo guy who looked stupid when he went to Afghanistan...