FOREX-Obama plays China card, but who holds the ace?

Taiwan is still the one issue that could trigger war between China, which claims sovereignty over the self-ruled island, and the United States, which is committed by U.S. law to provide weapons for Taiwan's defense.

But Obama's tenure has coincided with a cooling of tensions between Beijing and Taipei thanks to the 2008 election of Taiwan President Ma Ying-jeou, who has sought better ties with China. But potential friction over U.S. arms sales remains. >>