'Dear Mr. Adam, I am writing on behalf of the Central Watch and Social Problems Committee of the Mothers' Union to ask whether you have a programme in mind on the moral issue of venereal disease.' 'Sir, Where are the B.B.C's censors? We do not care for the language that was inflicted on us Tuesday night in "The Battle of Britain". Don't retort, 'You need not listen if you don't want to'. We did not know it was coming.' 'Dear Mr. Frost, Let me start...