The persistent and sustained reliance on falsehoods as the basis of policy, even in the face of massive and well-understood evidence to the contrary,… - Al Gore

It is well documented that humans are especially fearful of threats that can be easily pictured or imagined. For example, one study found that people are willing to spend significantly more for flight insurance that covers "death by terrorism" than for flight insurance that covers "death by any cause." Now, logically, flight insurance for death by any cause would cover terrorism in addition to a number of other potential problems. But something about the buzzword terrorism creates a vivid impression that generates excessive fear.

Social scientists have found that when confronted with either an enormous threat or a huge reward, people tend to focus on the magnitude of the consequence and ignore the probability.

Our most important immediate task is to continue to tear up the Al Qaeda network, and since it is present in many countries, it will be an operation, which requires new forms of sustained cooperation with other governments. Even if we give first priority to the destruction of terrorist networks, and even if we succeed, there are still governments that could bring us great harm. And there is a clear case that one of these governments in particular represents a virulent threat in a class by itself: Iraq. As far as I am concerned, a final reckoning with that government should be on the table. To my way of thinking, the real question is not the principle of the thing, but of making sure that this time we will finish the matter on our terms. But finishing it on our terms means more than a change of regime in Iraq.