The incompetence dodge is just that. But it's precisely where the foreign policy line is being drawn in the Democratic party, between those who thought all along the war was a disaster and those who imagine that if they had been in charge things could've worked out better.
I'm with those (obviously) who think it's fundamentally important not just to repudiate the execution of policy by the Bush administration, but the policies themselves and their justifications. "Like Bush only better" will not win a presidential election.
