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 Big Edit 

Well, after stumbling over some great source material and encorporating other source material that was already there but not cited, I found myself editing this article pretty much to the point of a rewrite.  Hey, I was told to ""go bold"", so... -)  I do really appreciate all the work everyone else has done, and you're welcome as usual to make whatever changes you think are important.  That's how this stuff works.  So thanks, and keep up the great work.
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