Many admired the first series of Peaky Blinders for its unusual setting – Birmingham at the time of the First World War – as much as for its subject matter: gang violence. This week (2 October) it came back in a new series, and it is worth asking what the series has to offer beyond novelty.Well, it is tremendously stylish; exterior scenes take place in a dingy swirl of mist and fog, brightened occasionally by the flash of a knife or the glinting chrome of gang leader Tommy Shelby’s motor car; interiors are gloomy too, but full of detail, whether we are in Birmingham’s foundries, its hard-drinking pubs or the surprisingly conventional office where the villainous Peaky Blinders do their work both criminal and legal. It has a modern music track, eschewing the inevitab