 The complexity of the fact that our countries and so many of our societies are so intertwined means that, again, there are going to be areas where we're in vigorous competition. There are areas where we're clearly going to be contesting. But there are also areas where we're going to be cooperating because, again, it's in our mutual interest. And there's a demand signal from countries around the world. One example, and we'll see where this goes. The number one killer...