Previous Lectures: 2015 - Present
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Governor of Florida (1999-2007)
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Secretary-General of the United Nations (2007-2016)
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President of Brazil (1995-2002)
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Prime Minister of the United Kingdom (2010-2016)
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President of the Republic of Malawi
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United States Secretary of Energy
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Assistant Secretary of State for Western Hemisphere Affairs
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Prime Minister of Australia (2010-2013)