I spotted this and thought it would be of interest. A few months ago it was $1.5 Billion.
http://www.fxstreet.com/nou/content/110070/content.asp?menu=macro
"As the US Current Account Deficit approaches -$700 Billion while the Federal Budget Deficit exceeds -$400 Billion, global investors have sold the dollar out of fear that US Balance sheet problems will become unmanageable. At the current rate, the United States needs to attract approximately $1.8 billion of working capital every day to finance the current account deficit and American investments abroad."
http://www.fxstreet.com/nou/content/110070/content.asp?menu=macro
"As the US Current Account Deficit approaches -$700 Billion while the Federal Budget Deficit exceeds -$400 Billion, global investors have sold the dollar out of fear that US Balance sheet problems will become unmanageable. At the current rate, the United States needs to attract approximately $1.8 billion of working capital every day to finance the current account deficit and American investments abroad."

