Lord Patten - Chairman of the BBC Trust

Almost 300 million people across the world consume BBC content every week. But does the BBC deserve the public's trust? After going through a prolonged internal crisis marked by serious internal failings, HARDtalk speaks to the ultimate overseer of the BBC, Chairman of the BBC Trust Chris Patten. He insists it is the best broadcaster in the world. Stephen Sackur asks whether or not viewers should believe him.