Yes, I'm opposed to this war.
The way I see it, Iraq's government is like a person on parole. The United Nations would be like their parole officer. And the US government could be likened to a cop who's following this parolee around to see if she does anything wrong, which is OK with me.
The problem arises when this 'cop' suspects the 'parolee' is carrying a 'gun'. The 'cop' would ask him if he's got a 'gun', and the 'parolee' would say no. Naturually, the 'cop' doesn't believe him. Should the 'cop' wait for reinforcements so the person can be searched (do inspections), or just shoot him on the spot (invade Iraq and overthrow the government)?
It happens too often, police shoot people who sometimes turn out to be unarmed. But that's almost nothing compared to the irreversible damage done by war.
Just my $.02