>> this is general jack keane talking about the private sector and the impact on the visit sector and the need to work together on preventing these signer attacks. watch this. >> critical infrastructure of the united states, which is largely in the private sector, except for nuclear weapons is very, very vulnerable. finance and banking, telecommunications, utilities and energy infrastructure. all of our major transportation, air and ground systems, rail, et cetera. that is largely exposed. >> general tata, you write fiction books that are based on the reality of the future of warfare. when you...