Judith Miller has a new alibi -- the blogs done her in! Writer Marie Brenner presents Miller's latest defense in an April Vanity Fair feature story about the fallout from the Valerie Plame investigation. ... The ones tossing the fire were those dastardly—but unnamed—bloggers ... In June, back in New York, "Miller realized that she was losing her authority" inside the Times. "None of my colleagues ever spoke to me about my reporting. But they would say, 'We don't want to work with her.' In August, Bill Keller replaced Raines as executive editor, and according to Miller, he told her,...