Cheney referred to Pakistanis as "Pakkies", not Bush. Facts.
The fact that Bush has some trouble speaking does not mean he his unintelligent; it means he has trouble speaking. Calling him dumb only makes it easier for you to not have to attack him on facts and principles.
It would be foolish for the President not to try to limit civilian casualties: a,b,c,d. Not doing so would only play into the hands of his political enemies, possible costing him re-election. This would be foolish. It is not a good thing, and it is not in his self-interest.