Inventive Prison Inmates

This is one fascinating read by Ron Francell on one of my favorite blogs, "In Cold Blog"
I think the title speaks for itself.
I hope you find this article as interesting as I do.
Just click on this link:

http://incoldblogger.blogspot.com/2010/03/five-important-contributions-by-prison.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+blogspot%2FaFdQ+%28In+Cold+Blog%29