The National Debt is $10.7 Trillion! Updated 6 January 2009.
Your money is spent through Appropriations Bills passed by Congress and signed by the President. This chart is based on the Appropriations Bills. The Government does not have any money, it takes your money from you and, and borrows more, then spends that!
there is more, check this article about the debt, Where Does the Money Go and this one about how the debt is growing.