WCENTER 0SNJAGSHIO U.S. President Barack Obama listens to comments during a working session at a G-20 summit in St. Petersburg, Russia on Friday, Sept. 6, 2013. World leaders are discussing Syria’s civil war at the summit but look no closer to agreeing on international military intervention to stop it. (AP Photo/Dimitar Dilkoff, Pool)
Secondo giorno del G20 a San Pietroburgo
WCENTER 0SNJAGSHIO U.S. President Barack Obama listens to comments during a working session at a G-20 summit in St. Petersburg, Russia on Friday, Sept. 6, 2013. World leaders are discussing Syria's civil war at the summit but look no closer to agreeing on international military inter...