Had the USA known in advance that the WTC was going to be attacked, we could and should have taken preemptive action. There was some 'fuzzy' knowledge that this might happen, but not enough to know the day or hour. Yet, we still could have should have done more to prepare.
We could wait until Saddam Hussein completes his weapons program, and then nukes a few cities to decide we have enough evidence on hand to go after him. But why wait?
What evidence do we need? What do we already know? We know that Saddam had chemical and biological weapons because he has used them on his own people. We know he has developed nuclear weapons. We know that he will attack other nations, given his war with Iran, invasion and occupation of Kuwait, and missles launched into Israel. We know that he has a relationship and contact with Al Qaeda, especially since they share a mutual pure hate of the west. We know that he has violated and resisted the UN weapons inspections for 9 of the last 10 years.
Was not Iraq's weapons program found and destroyed by the UN? No. A good number of weapons were found and eliminated. Experts involved in the process have given testimony that there is far more still there. The reason the UN has wanted back into Iraq is precisely because there is much more to inspect than previously ... and it is obvious that Saddam's refusal to let them back in is because he has a huge arsenal to hide.
Is Saddam Hussein a real threat? We know that he will use what weapons he has available. We already have seen him in action. We already know that he pays $25,000 each to families of suicide bombers. This financial incentive incites more suicide bombers. We know that he had plans to invade Saudi Arabia after Kuwait because he lusts to control the world's oil supply ... this control would give him great power. We know he persecutes and tortures the Kurds, an ethenic group living in parts of Iraq. He is a clear and present danger to his own people and to the world in general.
What about other Despots? Why not go after them too? Yes, we should. But one at a time. Saddam is the largest and most visible threat right now. First, get him out of the way, and use him as an example to show less powerful dictators what is going to happen to them if they don't reform qucikly.
It's time: Why wait until he does some drastic deed? Why wait for a nuke bomb to go off in New York, or London, or Paris, or Berlin, or Rome, or Moscow, or Stockholm? Why do we need that kind of evidence to decide that this evil man needs to be removed from office? What is it that we are looking for beyond what we already have? I believe we have enough evidence and history with Saddam Hussein to take him out of office, and take control of Iraq until a new government can be formed that will work best for Iraqi's.