Sir Martin Sorrell (R), chief executive officer of WPP of the United Kingdom, and Martin Wolf, associate editor and chief economics commentator of the Financial Times of the United Kingdom, attend the TV debate on "Rethinking China's Competitive Edge" of the World Economic Forum (WEF) Annual Meeting of the New Champions 2010, at Tianjin Meijiang Convention Center, in north China's Tianjin Municipality on Sept. 14, 2010. [Xinhua]