In an article titled, "Heated Controversy", the somewhat mainstream media web publication, Slate, looks at firefighters and their opinions of the official reports concerning the events of 9/11.

"Do other professions marshal their own expertise to poke holes in the official story? Absolutely. Architects and Engineers for 9/11 Truth point to the physics of the towers' collapse — its "free fall" pace, the "lateral ejection" of steel, the "mid-air pulverization of concrete" — as evidence that they could not have fallen exclusively because of the planes' impact."

For the full story, see http://www.slate.com/id/2215703/.