Reviewing Mary Mapes' new book, Truth and Duty, in the November 2 National Review, Byron York opens with a description of the 60 Minutes II story that got her fired from CBS last year. That story said CBS had new documents shedding light on an old story--that George W. Bush had spent the Vietnam War years in a playboy unit of the National Guard and skipped out when he got bored. "CBS aired the documents in a 60 Minutes II report on September 8, 2004, and all hell broke loose," York writes in his review. "Within hours, the papers were...