If you are a fan of "The Clash" then you might get more from this fly-on-the-wall, partially dramatised, documentary that follows their ascendancy in the UK towards the end of the 1970s. To give it some sort of narrative, there's a fan inserted into the mix and he serves as a conduit to not just the story of the four piece's musical journey, but also to illustrate a Britain that was wallowing aftever mais...