Saudi Arabia’s Crown Prince Mohammed bin Salman, center top, watches President Donald Trump, right, walk past as Brazil's President Michel Temer, left, stands by while leaders gather for the group photo at the start of the G20 summit in Buenos Aires, Argentina, Friday, Nov. 30, 2018.
Saudi Arabia’s Crown Prince Mohammed bin Salman, center top, watches President Donald Trump, right, walk past as Brazil's President Michel Temer, left, stands by while leaders gather for the group photo at the start of the G20 summit in Buenos Aires, Argentina, Friday, Nov. 30, 2018. Pablo Martinez Monsivais AP file
Saudi Arabia’s Crown Prince Mohammed bin Salman, center top, watches President Donald Trump, right, walk past as Brazil's President Michel Temer, left, stands by while leaders gather for the group photo at the start of the G20 summit in Buenos Aires, Argentina, Friday, Nov. 30, 2018. Pablo Martinez Monsivais AP file