Trump vs the world _ G-20 summit stumbles on trade, climate

  • Leaders attending the G20 Summit pose for the family photo at the Costa Salguero Center in Buenos Aires, Argentina, Friday, Nov. 30, 2018. (AP Photo/Ricardo Mazalan)

  • President Donald Trump and other heads of state react to Mexico’s President Enrique Pena Neto, throwing his hands up, being the last one to arrive for the family photo at the G20 summit, Friday, Nov. 30, 2018 in Buenos Aires, Argentina. (AP Photo/Pablo Martinez Monsivais)

BUENOS AIRES, Argentina — Divisions among the world leading economies emerged from the moment their leaders gathered Friday in Argentina: Donald Trump struck his own deals and angered allies, and the leaders of Russia and Saudi Arabia bonded amid criticism from European powers.