world leaders

South Korea's President Moon Jae-in, left, is wife Kim Jung-sook, center, and are welcomed by Argentina Social Development Minister Carolina Stanley on their arrival to the Ministro Pistarini international airport to participate in the G20 Summit in Buenos Aires, Argentina, Thursday, Nov. 29. Leaders from the Group of 20 industrialized nations will meet in Buenos Aires for two-day starting Friday. (AP Photo/Martin Mejia)

European Union leaders observe a minute of silence to honour the victims of the attacks in Paris, at the G-20 Summit in Antalya, Turkey, Monday, Nov. 16, 2015. From left to right, Spain's Prime Minister Mariano Rajoy, German Chancellor Angela Merkel, European Council President Donald Tusk, France's Foreign Minister Laurent Fabius, European Commission President Jean-Claude Juncker, British Prime Minister David Cameron, and Italian Prime Minister Matteo Renzi. The leaders of the Group of 20 were wrapping up their two-day summit in Turkey Monday against the backdrop of heavy French bombardment of the Islamic State's stronghold in Syria. (Anadolu Agency via AP, Pool)