and perhaps hold others criminally accountable like you would money launderers, could you not? >> i think historically we have been reluctant to use our cyber capabilities as more than just a general deterrent. we haven't been that willing to deploy them to disrupt either the cryptocurrency luker that these ransom groups accumulate, or in the case of the northern states, the ability they have to hack our networks. i think that system is breaking down, and i think it's going to have to. i think we could use our technological means which are the greatest in the world to disrupt these networks and disrupt the government as well as private hackers. >> sanctions look like they've been a failure. tell me why they haven't been, because it certainly looks like it has not deterred the behavior of putin, period.