>> john donnelly, congressional quarterly, good morning. there's been some talk lately about getting rid of, basically, the idea or the goal of being able to fight two major conventional wars at about the same time in different theaters. the chief staff of the army, the joint chiefs have each basically said it's time to revisit this idea. wondering what your take is on that, and shouldn't we retain the capability -- we, the united states -- retain the capability to fight, say, a north korea and an iran should they both flare up at about the same time? >> yeah. i think that's one of the fundamental questions as we work through the quadrennial defense review is to determine what are the needs and how do you put in place these force-planning constructs that allow you to design the force that you need? because at the end of the day, you know, we are going to live in an uncertain world. and we will never be able to eliminate that uncertainty. but what we must be able to do is to look at what is the type of force in size and in capacity and in ca