When Lord Harris of High Cross (Ralph Harris) died in October 2006, at the age of 81, the tributes to him described him as one of the 'men who changed Britain'. Friends and opponents alike acknowledged that Ralph, in his role as General Director of the Institute of Economic Affairs (IEA) and in partnership with his friend, Arthur Seldon, had been instrumental in providing the ideas and the intellectual entrepreneurship that sparked the 'Thatcher revolution'...