As the Sino-American showdown in the South China and Yellow Seas escalates into the gravest superpower clash since the Cold War, the United States cannot wisely rely on China to help fund its budget deficit for any longer.
The cacophony of voices in Beijing questioning or mocking the credit-worthiness of the US is now deafening, from premier Wen Jiabao on down. The results are in any case manifest: US Treasury data show that China has cut its holdings of Treasury debt by roughly $100bn (£65bn) over the past year to $844bn.



