The BBC's diversity chief has claimed Idris Elba's TV detective Luther 'isn't black enough to be real' because 'he doesn't have any black friends and doesn't eat any Caribbean food'. Miranda Wayland said the hit crime drama, which won plaudits for having a strong, black lead character, was only superficially diverse and that corporation bosses are now looking to portray minority groups in a more convincing and rounded way. Elba, who first made his name across the Atlantic starring as Stringer Bell in The Wire, cemented his status as a worldwide star by picking up a Golden Globe, among other...