TEXT: BUENOS AIRES, ARGENTINA - NOVEMBER,30 (RUSSIA OUT) U.S. President Donald Trump (R) looks on Russian President Vladimir Putin (L) during the welcoming ceremony prior to the G20 Summit's Plenary Meeting in Buenos Aires, Argentina, November,30,2018. U.S.Preisident Donald Trump has cancelled his meeting with Vladimir Putin at the G20 Summit in Argentina planned on Saturday. (Photo by Mikhail Svetlov/Getty Image