The guy's pathetically P -- he's reactive to events, whereas Cheney is proactive.
He does his best NOT strategizing but just throwing himself into a situation and tactically working his way out of it.
Maybe you'd do better to compile a list of verified INTJs and then compare GWB to them. You'll see the pattern isn't even close... even aside from the fact that Dubya's anything but an intellectual. (He's an SP doer.)