The earthquake and tsunami that devastated Japan’s Fukushima Daiichi nuclear power plant last year brought attention to the safety risks associated with atomic energy. Before Fukushima, nuclear energy was on the rise and many countries developed plans to build more power plants. But after the disaster, nuclear energy became a subject of international debate and countries like Japan and Germany started to shut down reactors. How should the United States deal with nuclear energy? Miles O’Brien is a Frontline correspondent who produced “Nuclear Aftershocks.”