Let us be clear about the Bush legacy. After September 11, not a year into Mr. Bush's term, his became a war presidency. George Bush's place in history will turn on what becomes of Iraq and al Qaeda. If Iraq fails, history will mark down the Bush presidency. If by fits and starts Iraq grows into the Middle East's first large, functioning democratic republic, a more likely result, the Bush presidency will be one of the great building blocks of the new century's political order....