
The national security state that has expanded in response to the Sept. 11 attacks will not shrink in the near future, even though al Qaeda's top leadership has been decimated and the U.S. government faces extreme budget pressures.
Former White House counterterrorism official Richard A. Clarke said the FBI will stitch together hundreds of hours of video camera recordings from private and public surveillance and traffic cameras, as well as recordings made by private citizens attending the race.
Authorities find pressure cooker lid, part of bombs used in Boston, officials say →
Richard A. Clarke, the country's top bureaucrat on counterterrorism before the attacks, says arguments for more security spending aren't necessarily tied to effectiveness.