Senator John Kerry is calling for an international summit to help stabilize Iraq and end the insurgency.
The Democrat says it's "long overdue" for the Congress that shares some of the responsibility for authorizing the war to help get the U.S. out.
Kerry voted for the congressional resolution approving military action.
Over the weekend, Iraq swore in a permanent government and a new prime minister, Nouri al-Maliki.
Kerry says the summit should include representatives of warring factions in Iraq, as well as Europeans, Iranians, Syrians and other Middle Eastern players.
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He accuses the Bush administration of engaging in "platitudes" rather than a dispassionate assessment of the military reality in Iraq.
Speaking in Chicago, President Bush says the U.S. has reached a "turning point" in the struggle between freedom and terror.