Not really, as by 1441 the US can argue that they already have authorization. I think one of the reasons that the curent administration is responding with such force is because they are very unhappy with the vague and loop hole filled wording of the UN resolutions.
1441 states that Iraq will face "serious consequences" if they do not comply. What the hell does that mean? The UN knew their wording could be reinterpreted to allow for abuse when they made the resolutions. I mean, the prior resolution allowed Iraq to have WMD and missiles and bombs that could carry them, BUT THEY COULDN'T BE PUT TOGETHER.
So you have a tank of VX Nerve Gas on one side, and empty Al Samoud 2 missiles on the other, and according to UN law that was legal.
The previosu administration completely dropped the ball on this issue, and part of Bush's reaction is trying to makeup for past mistakes, IMO.
Besides, what my proposal is, is for a UN resolution stating it, and worded in a way that they cannot back out of.
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