approved we analyze these plants for the worst possible earthquake within 200 miles and then we add margin to it and then a conservative analysis. so we have quite significant confidence about the ability of our plants to withstand any sort of seismic event. we go well beyond that in the way that we put our procedures, our equipment and train our people to assure that we can meet any sort of event that might unfold at one of our plants. >> all right, paul, are you assuaged by that? you say it's the gold standard. do you think it's enough? >> well, i think tokyo electric power company basically said the same thing until the earthquake they hadn't figured on showed up. and certainly the same is true for the japanese nuclear safety industry. look, japan is a very highly technical society. these power plants were not fly by night operations in terms of