Fernando Meirelles, director of "City of God" and the "The Constant Gardner,"  discusses the making of his latest film, "Blindness" which stars Julianne Moore, Mark Ruffalo, Danny Glover, and Gael Garcia Bernal. The film is about a city ravaged by an epidemic of instant "white blindness." Miramax released "Blindness" in theaters on October 3rd.