(<a href="http://www.j-archive.com/media/2009-10-19_DJ_25.jpg" target="_blank">Jimmy of the Clue Crew reports from Mount Vernon, VA.</a>) At Mount Vernon, Washington hung an <a href="http://www.j-archive.com/media/2009-10-19_DJ_25a.jpg" target="_blank">engraving</a> that was a gift of this man, our most powerful ally in the Revolutionary War