Nuclear arms discussions. this absolutely is arms control. these are weapons that can be used and have a significant impact much like a kinetic type of attack. we really need to make sure we're framing the issue, drawing the red lines, and it is very clear if you cross this red line, this is what will happen. that is deterrence. that really has to be the next step. >> shawn, given the nature of your work, can you give us a threat assessment? what is this country really facing when it comes to significant infrastructure attacks, cyberattacks against u.s. infrastructure? >> you know, our targets...