steve shapiro, a councilmember. if you could just expound a bit on the difficulties demonstrated in the afghanistan operation by conflicting rules of engagement and caveated forces. i think that's a complex issue i don't get to hear enough about. >> just on that, i mean, every operation has -- every country that operates within a coalition perspective will have its own specific issues of concern. we have caveats, the united states. the issue is whether those caveats affect the operational effect of the force. at least since i was involved in this operation since 2009, the answer is no, that most of the caveats that really did have an operational impact were removed, were dropped in one way or another, and the effectiveness of the force as a totality to do what it needed to do was not affected by these caveats. but let's be clear. caveats is a reality of coalition warfare. and it's a reality that affects us as much as anybody else. and it is -- it is -- it's a myth that somehow there's some countries that have caveat