No doubt, President Bush has one knee on the canvas. What is in doubt is whether he's buying time or simply cannot get back up. Just look at the serious body blows he has taken lately: His bold Bush Doctrine of striking down terror before it shatters us is in disarray in Afghanistan, Iraq, even here at home. His magnificent ambition to plant the seeds of liberty and spread freedom throughout the enslaved world is unraveling. His sworn obligation to protect Israel, one of America's few authentic allies, at all costs, and never to accept a peace in Lebanon that...