'At the height of the Cold War, the Central Intelligence Agency paid $3,000 to renowned magician John Mulholland to write a manual on misdirection, concealment, and stagecraft. All known copies of the document — and a related paper, on conveying hidden signals — were believed to be destroyed in 1973. But recently, the manuals resurfaced, and have now been published as “The Official CIA Manual of Trickery and Deception.”'Read more...