Television has suddenly become the country’s principal instrument of social justice.
I refer to Mr Bates vs The Post Office, the ITV drama that, in four hours, stirred the Government into repairing a wrong they had known about for 20 years.
No one was more surprised by the audience reaction than Gwyneth Hughes, the scriptwriter. Having spent three years interviewing victims of the Post Office witch hunt, she assumed the series would generate as little attention
