Is US vulnerable to EMP attack? A doomsday warning, and its skeptics

It is an unsettling doomsday scenario: A ballistic missile is launched from a freighter near America’s shores, setting off a nuclear explosion in the atmosphere. This warning comes from the former director of the CIA, James Woolsey, in little-noticed testimony recently before the House Armed Services Committee. A nuclear weapon would be detonated in orbit “in order to destroy much of the