"So why can't people like Steve Forbes simply declare victory and go home? The well-off would, of course, like to see even lower taxes -- which George W. Bush, his life made easy by the revenues a booming economy generates, promises to deliver. (Is he sincere, or is he just doing this because that is what Republicans are supposed to do? Who knows?) But there is one important thing that the supply-side movement has not gotten, and still desperately wants: intellectual vindication."