President Donald Trump, center, walks past President Vladimir Putin of Russia, left, and Crown Prince Mohammed bin Salman of Saudi Arabia, right, while lining up with world leaders for a group photo at the G-20 summit, at the InterContinental hotel in Buenos Aires, Argentina, Nov. 30, 2018. (Tom Brenner/The New York Times)
President Donald Trump, center, walks past President Vladimir Putin of Russia, left, and Crown Prince Mohammed bin Salman of Saudi Arabia, right, while lining up with world leaders for a group photo at the G-20 summit, at the InterContinental hotel in Buenos Aires, Argentina, Nov. 30, 2018. (Tom Brenner/The New York Times) Tom Brenner The New York Times
President Donald Trump, center, walks past President Vladimir Putin of Russia, left, and Crown Prince Mohammed bin Salman of Saudi Arabia, right, while lining up with world leaders for a group photo at the G-20 summit, at the InterContinental hotel in Buenos Aires, Argentina, Nov. 30, 2018. (Tom Brenner/The New York Times) Tom Brenner The New York Times