Absolutely, and I can say with full confidence you will also find out more about the role of Al Queda in Iraq. They were not enemies at all.
And I'm just curious but would you rather have waited until he could have reached Europe? Or even the US? How dangerous does he have to be before you do something or do you wait until he acts first?
When would I have thought military force against Iraq was necessary?
If I am basing my intent to attack on the procedure outlined in UN Res 1441, I would go to the security council with evidence of Hussein's non-compliance with the resolution--namely inspections and the voluntary provision of information related to forbidden weapons.
If that evidence is non-existent, then I don't order the attack.