US investment guru Jim Rogers signs copies of his new book "The Crystal Ball - Jim Rogers and His Investment Prediction" in Beijing on April 7, 2009. A week after some saw the advent of a new world order at the G20 in London, the idea of a "G2" that would put the US and China at the head of international affairs is gathering momentum. Getty Images logo Getty Images 34 months ago

US investment guru Jim Rogers signs copies of his new book "The Crystal Ball - Jim Rogers and His Investment Prediction" in Beijing on April 7, 2009. A week after some saw the advent of a new world order at the G20 in London, the idea of a "G2" that would put the US and China at the head of international affairs is gathering momentum.