Here’s The Amazing Randi talking at TED, sensationally titled “James Randi’s fiery takedown of psychic fraud”. Not so much a takedown, nor fiery, but still entertaining enough, if you don’t mind a magician telling you how the world should be (“beware the tidal wave of irrationality about to engulf us folks!”):
Would it be facetious of me to point out that Randi starts his talk by illustrating his propensity for fooling his audience? If I had a million dollars for everytime I’ve heard that nonsense about his psychic challenge…