] The dollar fell on Tuesday, as market worries that
] central banks were diversifying reserves out of U.S.
] assets pushed the currency below key technical support
] levels.

This is the sort of thing that I brought up months ago. A bit fasrther down the article it notes that South Korea holds about $69 Billion in US debt. This brings us right back to the original question, "What happens when the government decides to do some borrowing and no one takes the loan?"

Dollar Falls on Reserve Shift Worries