Good observation - there were many people on both sides of the aisle and both sides of the Atlantic and Pacific who thought Sadam H. had weapons of mass destruction. In actuality, he did have chemical warfare weapons which he used against the Kurds. Some folks erroneously think that only nuclear weapons are weapons of mass destruction.
Second: The fact that Obama’s staff all agreed unanimously with their great ‘master’ does not say much for O’s ability to gather good advisors around him.
Tons of yellow-cake in various forms, poison gasses and the delivery systems made him beyond dangerous.
Let's not forget the ultra long range artillery system that the Canadian was building.
It wasn't to delivery conventional weapons.