A bit like with the late Ennio Morricone, I'd love to just sit in a room with Werner Herzog and chat. He's such an enigmatic character who comes across in this documentary as a human being of vision and imagination, sure, but also as a man who cares about ensuring that the audience never bore of his work. The range of his projects is well illustrated here from his embryonic (and not exactly great) stuff from the later 1960s through his successes with "Aguirre" (1972), "Nosferatu" (1979) and "Fitzcarraldo" (1982) whilst we learn of his tempestuous relationship with the headstrong Klaus Kinski as...