<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>A friend of mine recently pointed me to a very intelligent video on this subject that I thought was excellent:</div><div><br></div><a href="http://www.youtube.com/watch?v=vjS0Novt3X4">http://www.youtube.com/watch?v=vjS0Novt3X4</a><div><br></div><div> John K Clark</div></body></html>