an agency with a staff of 4,000 and five politically appointed commissioners, led by chairman gregory jaczko. to what extent is what happened at fukushima kind of a complete surprise to the whole nuclear industry worldwide? >> i think there wasn't really the full appreciation for what the impacts could be from a tsunami and how that flooding could disable almost all the electrical distribution systems. so, what was really new, in a way, was the fact that here was something we hadn't really envisioned that could take out all of these basic safety systems. >> o'brien: america's 104 nuclear reactors may not face high risks from a tsunami, but they have to be prepared for earthquakes, hurricanes, tornados, fires, potential terrorist attacks, or, as happened last summer in nebraska, a historic flood. in june, the swollen missouri river flooded the ft. calhoun nuclear plant. nrc chairman jaczko went to see for himself. >> the level at which there's an impact on the safe operation of the facility is still about six feet from the core. >> o'brien: jaczko could make that claim, in part, because of nr

so will ci dot think it will ee gregory jaczko. they're located at foursefor hi. >> i think there wasn't really >> o'brien: that must be at. media access group a >> here was something we hadcesn a's 4 ea hi area. when the plant wui six.of sething like a fukushima like fukushima couldn't happento co >> p ways--thtione sisources of off-e roads and trying to get happened last summer in fr t less than 50 milesm airm gregory jaczko. to what extent is what happened the eastern and centrasefor hims identified ie 19 the full appreciation for what>t could disaal all of these basic safetyntenti. n foolproof. uipment that's never been if you try to imagine everfounye nerators on both units. more yen in june, the swollen missouri river flooded the ft. calhoun passionate criti thank you. changes to the fire protection >> indian point is right ht rel. or call 1-800-pl and that's one reason plan we need to b >> oenstanngt important one pretty big quake, wouldn't it?f. >> it's a match.n th and other og be everywhere.to co if you have an earthquake