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Photo by: J. David Ake

In this Thursday, Oct. 10, 2013 photo, a pedestrian walks past the U.S. Treasury Building in Washington on a rainy day. The national debt actually reached the limit in May 2013. Since then, Treasury Secretary Jacob Lew has made accounting moves to continue financing the government without further borrowing. But Lew says those measures will be exhausted by Oct. 17. The government will then have to pay its bills from its cash on hand — an estimated $30 billion — and tax revenue. (AP Photo/J. David Ake)

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