U.S. President Barack Obama waves after he spoke during the SelectUSA Investment Summit March 23, 2015 in National Harbor, Maryland. (Alex Wong/Getty Images)
Russian President Vladimir Putin (R) greets his Syrian counterpart Bashar al-Assad (L) during a meeting at the Kremlin in Moscow on October 20, 2015. (ALEXEY DRUZHININ/AFP/Getty Images)
Former French Prime Minister Francois Fillon candidate of the party 'Les Republicains' at the Exhibition Park of the Porte de Versailles on November 25, 2016 in Paris, France. (Frederic Stevens/Getty Images)