Does President Bush need a primer on the US Constitution from Gen. Petraeus?

From the Times ...

His view, he says, is that he is “on a very important mission that derives from a policy made by folks at one end of Pennsylvania Avenue, with the advice and consent and resources provided by folks at the other end of Pennsylvania Avenue. And in September, that’s how I’m going to approach it.” Whether to fight on here, he says, is a “big, big decision, a national decision,” one that belongs to elected officials, not a field general.