I agree  There were actually several reasons but For bureaucratic reasons we settled on one issue weapons of mass destruction as justification for invading Iraq because it was the one reason everyone could agree on   Paul Wolfowitz May   later clarified We have from the beginning had three concerns  One was weapons of mass destruction second was terrorism and  the third was the abuse of Iraqis by their own government  And in a sense there was a fourth overriding one which was the connection between those first two the connection between the weapons of mass destruction and terrorism And later further clarified Lets look at it simply The most important difference between North Korea and Iraq is that economically we just had no choice in Iraq The country swims on a sea of oil So thats five reasons