$4.8 trillion - Interest on U.S. debt..........

NEW YORK (CNNMoney.com) -- Here's a new way to think about the U.S. government's epic borrowing: More than half of the $9 trillion in debt that Uncle Sam is expected to build up over the next decade will be interest...Link

Update - HR 1207 - 313 Co-sponsors!.............

Title: To amend title 31, United States Code, to reform the manner in which the Board of Governors of the Federal Reserve System is audited by the Comptroller General of the United States and the manner in which such audits are reported, and for other purposes.