PARIS, FRANCE - DECEMBER 02: Former US President Barack Obama delivers a speech during the 7th summit of "Les Napoleons" at Maison de la Radio on December 2, 2017 in Paris, France. Obama is the exceptional guest of ...

PARIS, FRANCE - DECEMBER 02: Former US President Barack Obama delivers a speech during the 7th summit of "Les Napoleons" at Maison de la Radio on December 2, 2017 in Paris, France. Obama is the exceptional guest of "Les Napoleons" summit, a bi-annual symposium, created in 2015, dedicated to all the actors of innovation in communication and development around the world. (Photo by Chesnot/Getty Images)

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