Joe Haines grew up in a London slum, leaving school at 11; yet he went on to become a political journalist, and a close friend and adviser to former Prime Minister Harold Wilson. After Wilson's retirement, Haines wrote the sensational book The Politics of Power, describing life inside 10 Downing Street. Haines went on to join the Daily Mirror and held the positions of leader writer, political editor, columnist, assistant editor and finally director...