Comment: Check this out

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Check this out

Start with the document I linked to in this post (courtesy of David Merrill):

Then check out the links in the main body of David's original post. This makes more sense than anything I've seen. In short, Federal Reserve Notes are the private property of the Fed, and "legal tender for all debts" (i.e. it is legal - though not required by law - to offer them to discharge a debt, whoopty-doo). You are NOT obligated to use them, but if you do, you are liable for a "usage tax" on someone else's property.