Fukushima report urges U.S. plant operators to take heed.

The article reports on improving safety of the U.S. nuclear plants to avoid the kind of leniency over safety that led to the March 2011 disaster at the Fukushima Daiichi Nuclear Power Station in Japan. Topics discussed include investigations into the causes of the Fukushima disaster by Japan and other countries which includes the magnitude-9 earthquake and tsunami of March 11, 2011, need to ensure a safety system control, and views by physicist Robert Bari on the upgradation of plant systems.