"Bush's foreign policy has been a failure and it will be judged on Iraq. He will bear responsibility for an unnecessary and costly war that violated international law, alienated allies and distracted us from the core issues of terrorism, Afghanistan and stopping the spread of nuclear weapons.
"This has to be the worst managed foreign policy of any president since the Second World War. Even if in the medium term Iraq becomes comparatively peaceful, would it be worth the cost? I do not think so."
Toxic world fallout from Iraq invasion
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