Outsiders are familiar figures in literature but feature scarcely at all in political analysis. This is despite the fact that some of the most significant political leaders of recent decades have been outsiders, including Britain's Margaret Thatcher. She was certainly a social outsider. She was almost certainly a psychological outsider. Not least, she chose to operate politically as an outsider. Her career points to both the strengths and the weaknesses of the role of the outsider as political leader.