After the bombs in Bali and Kenya, and the attempt to use a missile to shoot down a passenger airliner, there is a growing sense that it is merely a matter of time before America suffers a new attack: one that could be even more destructive than what happened on September 11, 2001. Is there anything which can be done to prevent an impending catastrophe? It seems that there is. Only last week, the Intelligence Committee of the US Congress concluded that, had the FBI and the CIA actually responded effectively and efficiently to the information in their possession, they...