Rosie O'Donnell

The former "View" co-host spent time on that program discussing her belief that Building 7 of the World Trade Center had not been destroyed by fire from the other buildings on 9/11, but instead had been destroyed by set explosives. On the program, she said, “I do believe that it’s the first time in history that fire has ever melted steel. I do believe that it defies physics that World Trade Center Tower 7—Building 7, which collapsed in on itself—it is impossible for a building to fall the way it fell without explosives being involved."