WSJ reports

Regulations currently require nuclear power plants to have as few as four hours of emergency power. NRC Chairman Gregory Jaczko said during a commission meeting that this might not be enough,

That’s pretty outrageous, even without the events in Japan. The larger question is, what else is there that this bare-bones standby power requirement exemplifies? Certainly storage of spent fuel rods is under investigation. What else? Send ‘em in, I’d love to learn more.