Richard Sherier (left), director of the Office of Emergency Management, describes the clean-up operation at the site of the World Trade Center terrorist attack in lower Manhattan to Secretary of Defense Donald H. Rumsfeld (center) on Nov. 14, 2001. Rumsfeld is visiting the site of the Sept. 11th disaster to speak to Mayor Rudolph Giuliani, officials from the N.Y. Fire Department and the Office of Emergency Management.