There's a lot of talk these days about the national debt.&nbsp; But what, exactly, are we talking about?&nbsp; How is the national debt determined and by whom?&nbsp; What does it all mean?&nbsp; For an informative discussion on the topic, don't miss this article published in the Wall Street Journal:&nbsp; <a href="http://online.wsj.com/article/SB10001424053111903480904576510660976229354.html">online.wsj.com/article/SB10001424053111903480904576510660976229354.html</a><br />
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