RadicalIslam.Org's Clare Lopez on the Threat of an EMP Attack

An electro-magnetic pulse (EMP) caused by solar activity or a nuclear device detonated between 30 to 250 yards or meters above America has the capacity to destroy America's and Canada's electric grid.'s Senior Fellow Clare Lopez, who served on the Congressional task force on national and homeland security for the EMP threat, discusses the effects of an EMP attack and what can be done by countries to protect themselves.