we have never had a u.s. nuclear plant flooded the way this one is. we don't know what would happen if the water came over the barriers and flooded the entire plant. number two is, the water levels are expected to stay at this height for at least another month. what is that doing to the underground structures? how is that weakening this foundation, the structures at the plant? already, you have at the plant site, heavy machinery has been told not to run on the paved roads, because they're afraid the floodwaters have weakened the underlying earth structure. >> joe, the thing that is fresh in everybody's mind, whether or not they ever paid attention to nuclear safety issues before is, of course, the ongoing crisis at fukushima. we spent a long time covering fukushima disaster as it was starting to unfold. i know you have been doing a lot more media trying to explain that. for people who have paid a little attention to what has happened in japan, can you contrast or compare what's been happening in fukushima with what we're facing right now at the missouri river? >> sure. this is not fukushima. it's not a catastrophe that's