"We SHOULD have gone in when he started to gas the Kurds" - but the US was already supporting Saddam to the hilt at the time he did that. And within a few months after that it was stepping up assistance to his regime.

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Blaming opponents of the war for Pol Pot is rich. In effect it was the US government who were responsible for him coming to power - and it did its best to keep him in power too when the Vietnamese invaded to stop the killing, for which they were roundly punished by crippling sanctions.