The National Debt

The U.S. government will exhaust its borrowing authority on Dec. 31 and hit the $16.4 trillion federal debt limit, the Treasury Department said Wednesday, beginning a countdown until Congress either passes legislation to allow for more borrowing or the government defaults on its debt.

Treasury Secretary Timothy F. Geithner said in a letter to senior lawmakers that the Treasury would begin to undertake "extraordinary measures" in order to forestall default. Geithner said the measures could create about $200 billion in additional funding available to the government – giving Congress two months before it must raise the debt limit.

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The Washington Post