KEHL, GERMANY - APRIL 04: Military attend the commemoration for the dead NATO soldiers during the NATO summit at the Passerelle des Deux-Rives on April 4, 2009 in Kehl, Germany. Heads of state, foreign ministers and defence ministers of the 28 NATO member countries are participating in the summit from April 3-4 in Strasbourg, Kehl and Baden Baden to mark the 60th anniversary of the transatlantic military and political organization. (Photo by action press-Pool/Getty Images)
Pro-Russian militiants attack a branch of Ukrainian bank Privatbank in the eastern Ukrainian city of Donetsk on April 28, 2014. Some 300 masked pro-Russian militants wielding baseball bats attacked a branch of the bank owned by an oligarch regional governor who has voiced criticism of Moscow. The gang attacked the Donetsk office of the powerful Private banking and metal industry holding belonging to Igor Kolomoisky, a billionaire who is also governor of the nearby region of Dnipropetrovsk. AFP PHOTO/ ALEXANDER KHUDOTEPLY (Photo credit should read Alexander KHUDOTEPLY/AFP/Getty Images)
BERLIN, GERMANY - OCTOBER 19: Russian President Vladimir Putin attends a meeting to discuss the Ukrainian peace process at the German federal Chancellery on October 19, 2016 in Berlin, Germany. The leaders of Russia, Ukraine, France and Germany, known as the Normandy Four, met in Berlin to discuss implementation of the peace plan known as the Minsk Protocol, a roadmap for resolving the conflict in Ukraine after Russian forces invaded in 2014 and annexed the peninsula of Crimea. The United States has threatened renewed sanctions on Russia if the country did not either implement the plan in the coming months or arrive at a plan on how to do so. (Photo by Adam Berry/Getty Images)
NEW YORK, NY - JUNE 22: Republican Presidential candidate Donald Trump speaks during an event at Trump SoHo Hotel, June 22, 2016 in New York City. Trump's remarks focused on criticisms of Democratic presidential candidate Hillary Clinton. (Photo by Drew Angerer/Getty Images)
US Secretary of State Hillary Clinton (R) shakes hands with Russian Prime Minister Vladimir Putin (L) outside Moscow in Novo-Ogarevo on March 19, 2010. Russian Prime Minister Vladimir Putin met US Secretary of State Hillary Clinton and used the occasion to bemoan Moscow's stalled WTO application and the state of bilateral trade. Russia, the world's largest economy outside the global trade body, has repeatedly accused Washington of hindering its efforts to join the World Trade Organization in talks that have dragged on since 1993. AFP PHOTO / RIA NOVOSTI / POOL / ALEXEY NIKOLSKY (Photo credit should read ALEXEY NIKOLSKY/AFP/Getty Images)
MUNICH, GERMANY - FEBRUARY 07: Russian minister of foreign affairs Sergey V. Lavrov delivers a keynote speech at the 51st Munich Security Conference (MSC) on February 7, 2015 in Munich, Germany. Foreign ministers and defense ministers from countries across the globe are meeting to discuss current global security issues, in particular the crisis in eastern Ukraine, the spread of ISIS in Syria and Iraq and the large-scale movement and plight of refugees. (Photo by Johannes Simon/Getty Images)
