Reprinted from AE911Truth website
Soon after Richard Gage, AIA, became interested in the subject of the destruction of the three World Trade Center skyscrapers on 9/11, he began debating critics who felt qualified to challenge the explosive evidence. Gage twice debated Ron Craig (International Society of Explosives Engineers), as well as Mark Roberts (tour guide), Michael Shermer (founder of Skeptic Magazine), and Dave Thomas (mathematician and physicist).