In 1964, Mary Whitehouse launched a campaign to fight what she called the propaganda of disbelief, doubt and dirt being poured into homes through the nations radio and television sets. Whitehouse, senior mistress at a Shropshire secondary school, became the unlikely figurehead of a mass movement for censorship: the National Viewers and Listeners Association, now Mediawatch-uk.For almost forty years, she kept up the fight against the programme makers, politicians, pop stars and playwrights who she felt were dragging British culture into a sewer of blasphemy and obscenity. From Doctor Who (Teatime brutality for tots) to Dennis Potter (whose mother sued her for libel and won) to the Beatles - whose Magical Mystery Tour escaped her intervention by the skin of its psychedelic teeth - the list of Mary Whitehouses targets will read to some like a nostalgic roll of honour.Caricatured while she lived as a figure of middle-brow reaction, Mary Whitehouse was held in contempt by the countrys intellectua