force in libya, do you think, again, not being a student of foreign policy, if you're one of those protesters, do you think, we're going to go out in bigger numbers, when they shoot at us, the united states will have no choice? >> you are a student of foreign policy. >> they're not. that's the difference. will they think, will they apply some logic and say, if they shot at the libyans in the united states, they'll go in. >> one of the virtues of being a great power is you can behave. and we've seen it. the question here is not the precedent. the question here is success or failure. if we succeed, the presidential consequences of this won't matter as much. and that's the key. american power is now on the line. and we're going to have to deliver. >> aaron david miller, thomas donnelly, thanks you for coming in tonight. we'll keep in touch. a bit later, an up close look at the one impact of the libyan crisis here at home, and you know what i mean if you've filled the tank in recent days. up next, stories break, and a sign that the race for the presidential nomination is about