we have to use sanctions as a tool. you talked about global engagement center. i think there are tools we can use. in my role as a diplomat, we have a handful and we are working to do what i think it was senator rubio at the beginning of the hear is raised the cost sufficiently and convince vladimir putin that it's not in his best interest to continue this behavior. that is difficult. i know precisely who vladimir putin is. i know his history. but that's the task. the task is for us. the u.s. government. that includes you and the executive branch. to raise the costs on russia sufficiently that they cease this maligned activity that adversely affects the united states. >> do you believe -- >> i do. >> in light of the new information? >> if we find the right leverage points to make a difference to russia, i think it would be constructive to head down that path. >> and can you tell us what you