Fraser Nelson, editor of The Spectator, and Martin Fletcher, former foreign editor of The Times, join Christiane Amanpour to discuss the Tory leadership contest in the UK and front-runner Boris Johnson. Valerie Jarrett, former senior adviser to President Obama, reminisces about her career in politics, her family roots and writing her new book "Finding My Voice". Our Michel Martin sits down with Nicholas Christakis, sociologist and author of "Blueprint", to talk about the ancient origins and modern implications of human nature.
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Amanpour