The Ultra-Secret NSA from 9/11 to the Eavesdropping on America

What exactly has the National Security Agency been up to? How many Americans have been unknowingly subjected to its warrantless eavesdropping program? Is the program even legal? We’ll talk this hour with journalist James Bamford, author of the new book “The Shadow Factory: The Ultra-Secret NSA from 9/11 to the Eavesdropping on America” (Doubleday, 2008).