A fascinating essay on the effects of our so-called gun control laws, economic and otherwise.
http://www.Little-Acorn.com/pdfs/nfa01.pdf
Or, if you don't have Adobe Acrobat, try this one:
http://www.Little-Acorn.com/docs/nfa01.doc
WELL documented and referenced. Long, but an excellent, easy read. Save a copy, pass it around.