It's the currency conflict that's brewing which is likely to get leaders fired up at the G20. The U.S. and China have been locking horns, accusing each other of using their currencies as defensive weapons to protect themselves. But the wider issue is whether the world's most-powerful nations should be allowed to let their exchange rates dwindle to help prop up their own countries. RT talks to economist Max Fraad Wolff.
RT on Facebook: http://www.facebook.com/RTnews
RT on Twitter: http://twitter.com/RT_com