What surprises me, what amazes me, is that it seems the military people were expecting to stumble on large quantities of gas, chemical weapons and biological weapons.

We have no such weapons at all, no chemical weapons, no biological weapons.

The inspections started in 1991, right after the Gulf War. One of the conditions for the ceasefire was that Iraq had to do away with all of its weapons of mass destruction - biological, chemical and nuclear weapons and long-range missiles.

One letter to bin Laden reveals that al Qaeda was working on chemical and biological weapons in Iran.

If you take the biological weapons in the United States we still will have perhaps a single individual who was able to make anthrax, dry it, and spread it through the mail and cause terror.

When we're talking about technology that involves weapons of mass destruction, nuclear, chemical or biological weapons, there has to be an element of preemption.