Muhammad Yunus, the Nobel Peace laureate, delivers a keynote speech in Beijing, capital of China, on July 2, 2009. The global think-tank summit was held here on Thursday. [Xinhua]

John Lawson Thornton, chairman of board of Trustees of Brookings Insititution, delivers a keynote speech in Beijing, capital of China, on July 2, 2009. The global think-tank summit opened here on Thursday. [Xinhua]