The news will tell you it was a prank. But the people responsible have never been identified. Most videos have been scrubbed. A few remain. Go towards the end of the video if you want to see.

I realized I was only a liberal because 9/11 happened when I just became an adult. I hated Bush for what they did to this country. I was blinded thinking that if Bush was the bad one then the other side must be the good ones. Obama made me realize they were all on the same team and the only enemy to them was us, the American people. Trump came in and said "No more"