WTC dust contains steel, ABC, 19:35, 9/13 <a href="http://www.youtube.com/watch?v=8LW6b8JF5ls&eurl=http://forum.911movement.org/index.php?showtopic=4409" target="_blank">http://www.youtube.com/watch?v=8LW6b8JF5ls&eurl=http://forum.911movement.org/index.php?showtopic=4409</a>