Here, go to CNNs website. [www.cnn.com] Look for the WATCH FREE VIDEO section. Click on number 3. 9/11 Pentagon video released.
This is a pretty good indication that there was no conspiracy and there is plenty of evidence even by the newscaster himself who was there at the scene shortly after it happened. They show the video where you actually see the jet in the background before it hits and the the plain wreckage as well.