Subjects discussed in this diary include: press coverage of Mary Whitehouse, broadcasting and morality; Nationwide Festival of Light; Who Does She Think She Is? by Mary Whitehouse; Northern Ireland and the Troubles, including Bloody Sunday (1-6 February), Bloody Friday (21 July); speaking engagements, interviews and broadcasts; film A Clockwork Orange (13 January and 3 February); the miners' strike; BBC television programmes, including…