Found this link on the Joystick site...
http://www.youtube.com/watch?v=g1OA2wHcBt4
puts things in a good perspective.
Also these are some interesting links that provoke thought...
http://youtube.com/watch?v=5zUht6cLkMc
http://youtube.com/watch?v=-guQaYgrWqI
(^the loose change video, 2 links cause its a long one)
http://www.wtc7.net/
If you've got an hour or two to spare, which most of us do, rather than pretending we're busy, lets try and open our minds a little bit.
Take these as you may, but just try to have a nonpartisan approach to it.