Reviewing the falsehoods, myths and misrepresentations spun by the press, politicians and pundits after Hurricane Katrina, one is reminded of Nora Ephron's bon mot: "No matter how cynical I get, I can't seem to keep up." Most recently, we have word from the National Hurricane Center that Katrina was not a category 4 storm at all, but rather, a category 3 when it slammed into the Gulf Coast Aug. 29. So much for the notion the levees were built to withstand anything less than a category 4. This is only the latest in a string of stories correcting, amending and...