Presents two documentary films that examine the events surrounding the terrorist attack on the World Trade Center ten years after September 11, 2001, including "9/11: Day that Changed the World," which examines how the nation's leaders made decisions on that day with interviews with Rudy Giuliani, Donald Rumsfeld, Dick Cheney, and others; and "9/11: Stories in Fragments," which looks at the Smithsonian's National Museum of American History and their efforts to document the events.