 Sir Anthony Francis Seldon is known in part for his biography of a British politician who identifies as what?
Anthony Seldon: Sir Anthony Francis Seldon, {'1': ", '2': ", '3': ", '4': "} (born 2 August 1953), is Vice-Chancellor of the University of Buckingham, a contemporary historian, commentator and political author, known in part for his biographies of Margaret Thatcher, John Major, Tony Blair, Gordon Brown and David Cameron. David Cameron: David William Donald Cameron ( ; born 9 October 1966) is a British politician who was Prime Minister of the United Kingdom from 2010 to 2016 and Leader of the Conservative Party from 2005 to 2016. David Cameron:  Cameron identifies as a One-Nation Conservative, and has been associated with both economically liberal and socially liberal policies.
a One-Nation Conservative