http://www.gcnlive.com/pubpod/crash/pcast.php 052208 show Peter Duesberg "debates" Leonard Horowitz. The Endogenous Retroviruses blog has interesting discussion of it here: http://scienceblogs.com/erv/2008/05/denier_fight.php and here: http://scienceblogs.com/erv/2008/05/hahahahahahahaha_you_guys_omg.php#more
