Climate change killed Neanderthals. (Note: not us)

Clear skies not actually clear. (The forecast never has been right...)

Damage from heart attacks doesn't happen when the brain is deprived of oxygen. It happens when oxygen is restored.

"How Blair Botched the Iran Hostage Crisis" (Britain's armed forces not so tough as they once were?)

"How Vietnam Really Ended" (It had little to do with domestic politics)