yes, they are protected, they re protected by steel, there s an outer casing of concrete. but not nearly to the designed to the level to withstand the same challenge that a reactor core might be exposed to. all right. jim, hang on. we ll bring in tom foreman from our d.c. bureau. tom, what s the latest there and that you re hearing in terms of stabilizing reactors? to echo what some of what jim said a minute ago, the encouraging part here is what we re hearing is that there really is much more of a real battle plan at this point. look, we ve watched this helicopter thing going here, and it hasn t seemed very effective. but look at the overall targeting they re aiming at here. this is reactor number three, the one where all of that water activity has been focussed. look at all the holes, all the problems. one of the reasons you focus on that in part is because you have concerns about what s happening both with the spent roads and with what s happening inside, and you can get to it