As President Hu visits Washington, it's worth asking what Plan B is if U.S.-China relations take...

|By:, SA News Editor

As President Hu visits Washington, it's worth asking what Plan B is if U.S.-China relations take a turn for the worse and China dumps its trillion-dollar holdings of U.S. Treasurys. China could justify pulling back if the dollar were to plunge due to a U.S. failure to curb its budget deficit and debt; "we could be at a tipping point," one economist says.