sydney friberg, aol defense. stucksnet and offensive in general get a lot of attention. you've discussed our vulnerability. the united states is in a position of, a lot of people say, a rock thrower in the city full of class houses and we have the biggest glass house. offensive is a very two-edged sword. you know, what vulnerabilities or bad precedence do we create for ourselves when we work on the cyber side? >> a great question. try to address it without sidestepping or moonwalking. i suspect the latter would be better. i think the issues we face in cyber space, different than the physical world. if you just think about the two. in cyber space, this is an area where we have to look at, and i think other countries are looking at, what are the alternatives? what are the means of potentially getting other countries to do something that they may or may not want to do? in the physical domain that would have been a war. the secretary talked about a world w world war as an example. what are things you can do short of a war and what should we do that are dep make, informationa