The nation's real tab, on the other hand, amounted to $53 trillion as of the end of the last fiscal year. That was the sum of our public debt; accrued civilian and military retirement benefits; unfunded, promised Social Security and Medicare benefits; and other financial obligations -- all according to the government's most recent financial statement of September 30, 2007.
http://www.cnn.com/2008/POLITICS/10/06/walker.bailout/
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