In a new book, well known theologian David Ray Griffin, alleges the Pentagon may have been hit by a missile on Sept. 11 and that the Twin Towers collapsed from a controlled explosion. The book has been hailed by many who question the official record of what happened on Sept. 11. But Chip Berlet of the Political Research Associates, who has studied conspiracy theory movements, charges Griffin’s book doesn’t hold up because it is based on faulty premises and unreliable sources. Today we have a debate on the book and what happened on 9/11. [includes rush transcript]