There was a fascinating article in the May 10th edition of The New Yorker.
Malcolm Gladwell discussed the problems of separating truth from fabrication in espionage and counter-espionage.
On a more mundane level, the same dilemma faces all of us. Accepting life at face value has attractions but also bears inherent risk.
I tell myself that I embrace living with uncertainty. But is this just another aspect of the deception?