e nerc -- the nerc is providing a response. >> thank you very much. the gentleman from texas is recognized for five minutes. >> thank you for being here on a very difficult day for you. you may have answered some of these questions before or commented that in your opening statements. i apologize if they have already been addressed. my understandings are that the safety systems at the power plants and the reactors in japan are an older technology that active back up and the license is that you are reviewing now is a different system that has a passive back up. if something happens catastrophic, the system automatically shut itself down and the cooling system can perpetuate itself without outside power. is that correct? >> i would not want to comment too much on the japanese sites. they are a little bit different than the designs we have in this country. we are reviewing new reactors that have a passive cooling system. it is thought all of the designs that we are reviewing. it is only two of the designs we are looking at. >> my understanding is that the