reanalyzed those in terms of the amount of radioactivity that has been released that s what caused an upgrade in the rating system. nothing to do with what s going on today. so really a reflection in how dangerous things were several weeks ago rather than the fact that there s another at least reports right now that another fire has broken out at reactor four. but what it confirms is all of the dire analyses that some were discounting a couple of weeks ago that things were really, really bad back then were true? there is no doubt that the station blackout in one nuclear power plant is bad much less now what do we now know? look back over the course of this month, sort of recap it for us. you re the real pro who understand business the technical stuff. tell us how bad were those meltdowns, and what lessons have we learned, if any, about our risks going forward at u.s. plants that have a similar design. right. so you know, again, as the days and weeks go on we will learn