http://www.nraila.org/media/PDFs/ObamaLetterNRAAd.pdf Chuck Norris TV Ad Obama Campaign Threatens Legal Action VIDEO http://feeds.feedburner.com/~r/blogspot/nlen/~3/435011356/chuck-norris-tv-ad-obama-campaign.html 2008-10-28 http://www.odeo.com/uploads/0025/3310/elephant_medium.jpg