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PARIS, FRANCE - JULY 14: U.S President Donald Trump and his wife Melania Trump, French President Emmanuel Macron and his wife Brigitte Trogneux Greeting during the traditional Bastille day military parade on the Champs-Elysees on July 14, 2017 in Paris France. Bastille Day, the French National day commemorates this year the 100th anniversary of the entry of the United States of America into World War I. (Photo by Antoine Gyori/Corbis via Getty Images)

PARIS, FRANCE - JULY 14: U.S President Donald Trump and his wife Melania Trump, French President Emmanuel Macron and his wife Brigitte Trogneux Greeting during the traditional Bastille day military parade on the Champs-Elysees on July 14, 2017 in Paris France. Bastille Day, the French National day commemorates this year the 100th anniversary of the entry of the United States of America into World War I. (Photo by Antoine Gyori/Corbis via Getty Images)