get away with the idea they are not going to be engaged there, they are going to be engaged in yemen? saudi arabia is part of the inspiration for a lot of this kind of radicalism. they need to be involved and engaged directly. there are many sunni arabs who absolutely abhor the tactics of isis but at the end of the day, they say but at least they're doing something about the shia. the shia encroachment into our sunni arab lands. i think we really need to have a very robust diplomatic strategy to support a war winning strategy with respect to isis. >> very briefly, could i ask you how nato would do in increased operations if france does request this with russia? how does that work together? >> well, obviously there are issues of deconfliction we have talked about over the last few weeks. i think first of all, nato, if france is going to be at war and if we agree with the proposition that france is at war, it seems to me that nato has to convene