The big problem with this Bill (actually theres quite a few problems with it), is that the truthers CD scenario requires simultainious removal of core colulmns, according to them - to create the FFA.
Something like slow burning thermite isn't going to do this. It would be a very varied result in terms of column removal.
Also, the structure would collapse well before the columns were melted due to thermite, since as we know their structural integrity would fail progressively as the thermite burned. Hardly a sudden removal of the core columns. More an inexact slow degredation of their structual performance, relatively speaking compared with a building primed for CD.... and they wouldnt all get to that point at the same time.
er, kind of like what would happen if uncontrolled fires had been burning for a long time! wow