The trouble with being the best movie of all time is that Vertigo is now an easy target for criticism. But this strange, frustrating story of a haunted pervert will always evade definitionHypnotised and hypnotic, mad and maddening, surely no commercial studio film (admittedly, a commercial and critical flop on its release) has ever offered and withheld such intricacy of intent and interpretation as Alfred Hitchcock's Vertigo. Pored over, parsed for clues, yanked to and fro by academics and psychoanalysts, its spirals of meaning permeate the development of film theory like the ringbound spine of a syllabus folder.Last week, with the weight of Magna Carta, the BFI proclaimed Hitchcock's 46th feature the greatest film ever made, displacing Citizen Kane's 50-year ...