From the Trenches 11-22-09 broadcast quality, 27.9mb 64kbps mono; 59:52 min plus 1:30 mx fades. On this program a debate on the public health benefits of mandatory vaccines webcast on November 10, 2009 at the University of Texas at Austin and found on www.blip.tv. Panelists: Dr. Sherry Tenpenny, Dr. Tom Betz and Ms. Dawn Richardson.