How much insider trading occurred in the days leading up to 9/11? How compromised is the evidence against alleged hijackers because of serious authentication problems with a key Dulles Airport videotape? To what extent does the testimony of more than five hundred firefighters differ from official reports of what happened at the World Trade Center buildings that day? How inseparably connected are Western covert operations to al-Qaeda?

Listen to Bonnie Faulkner interview with Paul Zarembka, professor of economics, SUNY Buffalo