Charles Moore’s multi-volume life of Mrs Thatcher, the latest instalment of which was published earlier this month, contains some entertaining pages about his subject’s relationship with the BBC. There were edgy meetings with senior executives in which the late Prime Minister wondered why the corporation could not sell advertising, terrific rows about the Falklands campaign – its disinterested reporting judged unpatriotic by the papers that supported our boys – and a calamitous set-to over the famous Panorama exposé of right-wing extremism that ended with two Tory MPs collecting libel damages of £20,000 apiece.The great merit of Steve Hewlett’s examination of the corporation’s relationship with government and audience (24 October) was its a