A 50-year mystery over the 'cursed bread' of Pont-Saint-Esprit, which left residents suffering hallucinations, has been solved after a writer discovered the US had spiked the bread with LSD as part of an experiment. In 1951, a quiet, picturesque village in southern France was suddenly and mysteriously struck down with mass insanity and hallucinations. At least five people died, dozens were interned in asylums and hundreds afflicted. For decades it was assumed that the local bread had been unwittingly poisoned with a psychedelic mould. Now, however, an American investigative journalist has uncovered evidence suggesting the CIA peppered local food with...