This really is pretty unbelievable: NBC won't run ads for the Dixie Chicks documentary because, in the words of the NBC's commercial clearance department, "they are disparaging to President Bush."

Networks usually at least go to the length of coming up with a phony 'we don't run ads with a political message' excuse. But I'm not sure I've ever seen one say something like this. I would have thought that with the president's popularity so low some of the network's usual supineness and cowardice would be a little less evident. Would they not run political ads either?