A new trailer has been released for the forthcoming Freakonomics documentary. The film hits theaters October 1. Nine months after its release, SuperFreakonomics remains on the N.Y. Times best-seller list. Freakonomics, meanwhile, is in its eleventh month on the Times paperback list. You can hear the Freakonomics Radio podcast on iTunes and via RSS. Blog posts about the SuperFreakonomics global-warming controversy are collected here.