U.S. Federal Reserve Chairman, Ben Bernanke (L), French finance minister, Christine Lagarde (C) and U.S. Treasury Secretary Timothy Geithner, return to a meeting after a group photograph at the G20 Finance Ministers meeting at the Treasury, in central London September 5, 2009. G20 finance leaders pledged on Saturday to keep economic life-support packages in place for now, slap tighter controls on bankers' pay and give a bigger voice to emerging markets in the international institutions.