here. they say they are having effect. then we move beyond that. there is the issue of five and six, which we haven't talked about a lot. they got a generator in here and say they've got water flowing to those again. so we really do come back, as you said, as anderson said, again. number four, number four, number four. this is the big issue because right now as they wrestle with all the other ones, they're almost acting as if number four is a we'll get around to it when we get around it. the truth is if there's no water in this pool, that's a big, big gamble. if there is some water in this pool, it's less of a gamble. either way, that's what they're betting on. >> all right. let's hope for the best and hope there's some answer real quick. tom foreman, always great to have you with us. coming up, our next guest is a scientific visionary when it comes to japan's nuclear disaster. he's seen the future, and it isn't good.