And to say that the invasion was poorly planned is laughable. It was planned exceedingly well and carried out flawlessly by our military. Or have you forgotten the dire predictions of how many thousands of our troops that some were estimating would be killed if we did in fact invade Iraq?
Clearly not enough troops committed, the occupation was a disaster.....a complete fuck up. The poorly planned invasion and occupation of Iraq led us to where we are today. In fact I would say the Bush Administration was criminally negligent. They showed the whole world that the United States is no longer capable of conducting two major campaigns at once, effectively ending a strategic policy that had been in place since the Second World War. The incompetency of the Bush Administration diminished our global position.
Again...how was the invasion poorly planned? You confuse invasion and occupation. The invasion of Iraq will go down in military history as one of the better planned and executed operations ever!