I've just been watching a re-run of the Gangsta Rap episode of Louis Theroux's Weird Weekend. Louis is infamous for craftily highlighting the abnormality of his subjects - usually religious fundamentalists, sex cults or celebrity eccentrics - by acting so unassumingly "normal" himself (read: white, middle class) that they appear to tell their own story. Here he is out to spear a bigger fish, the way in which the rap industry sells social dysfunction to America's black community.What the show makes clear, first, is that gangsta rap is promoted by a legitimate industry - a constellation of associated cottage operations (marketing, lyrics, recording, radio, etc). These craft units steer emerging artists towards a market place that demands extreme masculinity, rebellion and violence. They recruit...