"I can shoot pretty fast, but laws of physics still apply, can't make a bullet fly any faster than it does. Can you tell me that the time it takes to squeeze the trigger wouldn't be enough for him to take over again?"
Faith was many things and yes, dumb was one of them much of the time. But even she knew how to get Intel the sneaky way. She needed to know how strong, how powerful the other Sam was. She hoped by this Sam talking to her enough she'd get all the information she needed.
"You don't know that," she insisted, firmly. "Hell, one of them had enough power to bring you here right? Some massive dimensional swap or whatever. How can you be so sure that there isn't someone here strong enough to help you?"