21.   She said the terrorists would have to disable multiple emergency systems that are designed to shut down the reactor at any intrusion.

22.   Soon the terrorists will have few breeding grounds and places to hide.

23.   Terrorists might have access to weapons that use anthrax or smallpox strains, he said.

24.   Terrorists always have the advantage.

25.   Terrorists have families.

26.   Terrorists have personalities, and so do organizations.

27.   Terrorists would have a far easier time igniting a conflagration at a toxic chemical plant or refinery than at a nuclear plant.

28.   Terrorists have a minimal infrastructure.

29.   The discovery of the GPS system raises the possibility that al-Qaida terrorists have links to the Somalia warlords who attacked the American forces.

30.   The officials said there is no hard evidence that terrorists have plans to seek nuclear weapons, or that they have laboratories for chemical or biological weapons.