He did bring about the "serious consequences" to his people, by not complying with multiple UN resolutions. Had he complied, there would have been no Iraq war, and he'd still be murdering his own citizens in the thousands, if not tens of thousands, which obviously would make you much happier, I guess
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Saddam was a nasty fellow, but had he not been removed, thousands more Iraqis would be alive, and hundreds oif thousands would not be in exile.
It is not up to me to decide how Iraqis are governed by other Iraqis. Iraq has had a government for 6000 years, and I reckon they have enough experience to govern themselves in their own way.
Invading Iraq was a dumb idea, and it was done in an exceptionally bungling and clumsy way. And that is costing all of us tons of money and our country its reputation.