Earlier quoted context omitted.
If we rewind back to 9/11 there were plenty of Truthers on the left spreading nonsense. I remember the internet at the time used to feel like there were tons of Truthers that would argue and argue on all sorts of forums. Where did all those people go anyway?
Not sure what do you mean by Truthers, were there any elected officials or high profile people like Bannon saying that?
In these interviews, he indicates that there are reasons to believe that Bush administration had foreknowledge of the 9/11 attacks. These statements came long before the "28 pages", which removed any doubt that there was a cover-up after the fact and provided more evidence that Bush and his terrorist friends organized the whole thing.
https://www.youtube.com/watch?v=DRNti8P_o-I