Traub. at what point does this intervention run its course? do we need to change strategy? last night we heard the legal and philosophical foundation for it. tonight we re seeing the gritty realty of a war that is at best a seesaw battle. i think sirte, as your reporter said, is going to be the big problem. the military the coalition bombing force is not going to be able to obviously as she said, bomb civilians in sirte. until now, the civilians have been the victims of gadhafi s forces in a place like sirte, the civilians are part of gadhafi s forces. if you can t bomb that city, it s going to be very hard to see how the rebels are going to take the city. if the rebels can t take the city, they won t be able to move on to tripoli. it could be at that point that you say, all right, what else can be done not in terms of what obama talked about last night, but in terms of other military measures like arming the rebels. that s where the issue may arise. and that is what the presid