class smith live from d.c. let me get your take on this conversation because you said in the beginning you broadly support this strategy. and it is hard to -- first of all, in order to have the debate on the policy, which we're not having at all, if you look at the videos and you shake the hands of the people that we are killing or innocent and then conclude that that's worth it, that's one thing. but we're not even in that step. do you think the cost is worth it? is it your feeling about the approach? >> i think the cost is exceedingly high. more than boots on the ground or drones in the air, the idea that we're going ah to have civilian collateral cost is a constant. war is an ugly, ugly thing.