Lake Barrett: It's even a bigger project in my view. But there's a will here to clean this up as there was a will to put a man on the moon. And these engineering tasks can be done successfully. Lesley Stahl: Why not just bury this place? Why not do what they did at Chernobyl? Just cover it up, bury it, and just leave it here all-- you know, enclosed? Lake Barrett: Number one this is right next to the sea. We're 100 yards from the ocean. We have typhoons here in Japan. This is also a high earthquake zone....