I saw a program that said some warnings of the Pearl Harbor attack were dismissed as military exercises or that calls were not heeded (maybe not even in DC). The book Hiroshima: Myth or Fact? explores the reality of the closet meetings for Why the bombs were dropped (the second because 'it was on the calendar even when told it would not be needed).
The take-away lessons from these and other possible 'propaganda-coated' wrongdoings is to Learn from our Naivete (yes, at this time of the nativity and #EarthToParis which is addressing the Climate Change Crisis with many efforts such as and