Chairman of the US Federal Reserve Ben Bernanke, front, and US Treasury Secretary Timothy Geithner, left, during the G20 Finance Ministers meeting at St Andrews. Scotland. Saturday Nov. 7, 2009. The world's top financial ministers and central bankers from the Group of 20 rich and developing nations, are meeting to secure future global growth and break a deadlock over the cost of fighting climate change. (AP Photo/Chris Clark/POOL)