the fact that that window is still opening, although it is absolutely narrowing, but within the tech of a diplomatic path, still being open, the deterrence effect, we believe, has merit. >> let's go to jennifer jacobs from bloomberg. >> thank you. would you be willing to talk a little bit about how the u.s. would get out of this potential conflict with russia? what is the end game? how does the u.s., after imposing some of these sanctions and military action, how does the u.s. disentangle from this? >> i would characterize it differently. we don't consider ourselves to be entangled, but we're very clear of our principles and our purpose, which is to be aligned with our allies, understanding that -- i mean, listen, guys, we're talking about the potential for war in europe. i mean, let's really take a moment to understand the significance of what we're