Actor Idris Elba opened up about diversity in television and the need for change in an interview with Radio Times, reports dailymail.co.uk."I'm very much a believer in freedom of speech.
Instead, there should be a ratings system warning viewers that a film or show has outdated, insulting viewpoints," he said.Without referring to any specific programme, Elba said: "To mock the truth, you have to know the truth.
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