what about siper? what about our economy? i wish i knew a way to make those allocations but i don't. it's a classic problem. the way the decision is made on the hill and in the pentagon, they hold a finger up and the debates, competing interests and a decision gets made. may not be optimal. >> first of all, if the country feels it needs a missile defense, it has to do it in a realistic way. none of the appeals and this and that. we all know thousand system functions, anybody who has been in the pentagon knows you can get any answer you want there. farce the question of discrimination is concerned, i think there's a simple way to at least think of it from the point of view of a physicist, which i would argue is the easiest way to characterize the problem. and then the engineering details, which are, of course, important. you have to ask, are there physical observables associated with different ploys? can the adversaries develop a strategy to deny those variables? so for example, the example i gave earlier, yes, you can look at

congressman stearns is concerned about what you heard a moment ago and also a crippling siper attack, the impact it could have on the u.s. many electrical networks operate on smart grid technology. that relies on computers to determine electrical needs, technology is more energy efficient. but makes the systems vulnerable to cyber attacks. we don't know exactly what happened in the u.s. senate. we do know there is a closed door meeting led by the department of homeland security january innapolitano in which ts topic generally was discussed to members of the u.s. senate. what you heard a moment ago was from a house hearing that took place earlier in the day. we deal with cyber security issues and other communication issues every week on the communicators. it airs saturdays at 6:30 p.m. eastern time. coming up on "communicators, a conversation with joe leberman of connecticut, susan collins of maine working through legislation in the house and the senate on cyber security. >> what is the goal of the cyber security legislation that you have introduced? >> well, the goal simply stated is

gregg: america destined for a siper attack in space that is what robert mull eris being told. >> certainlyy nation states finding new and general just way to exfill straight information that will give them a jump ahead in terms of developing new technology for any future conflict or on the other hand enabling them to disable our technology in a time of war. gregg: michael balboni former homeland security advisers for new york state. good to see you. what is especially dangerous about this is it can be done die terrorists remotely and anonymously. >> what's what makes it so dangerous. when you take a look at the explosion of the social media, on facebook and twitter, taking those folks and corralling them in an effort to take down our operating systems poses a real threat. gregg: can they actually do things on the computer that translates into physical harm. >> so much of our world is controlled remotely. when you use a supervisory data access control, you have the ability to go into the internet and take over the options. it's always been theoretical as to whether we can do this. we have s