Australia's Prime Minister Tony Abbott (C) points to photographers as he and other leaders pose for a group photo during the G20 summit in Brisbane November 15, 2014. The meeting of leaders of the Group of 20 economies has opened in Brisbane with Abbott stressing the importance of global economic issues at a summit that has been dominated by the crisis in Ukraine, climate change and the United States's Asia-Pacific pivot. REUTERS/Pablo Martinez Monsivais/Pool (AUSTRALIA - Tags: POLITICS BUSINESS)