have a question about whethere trust our intelligence professionals over an anti-american activist supported by russia. >> i want to talk about some of the things that were quite frightening, the idea of what could go wrong. let's start by playing dni clapper who talked about what the response to such cyber warfare could in theory be. take a listen. >> when something major happens in cyberspace, our default policy position should not be exclusively to counter cyber with cyber. we should consider all instruments of national power. unlike nuclear weapons, cyber capabilities are difficult to see and evaluate and are ephemeral. >> is there anything that the u.s. has in its arsenal, in its kit back to respond what has happened during our elections right now that russia would already know about or be prepared for? >> i think that's a very good question. one that i would not want to answer on live t.