Jon Hamilton, science correspondent, NPR
Rebecca Smith, reporter, Wall Street Journal
Gwyneth Cravens, author, Power To Save The World
Jim Riccio, nuclear policy analyst, Greenpeace USA
In Japan, workers are racing to prevent major meltdowns at a nuclear power plant in Fukushima. Many residents near the plant are reportedly fleeing the area. Japan's crisis may affect the renewed push for nuclear energy in the United States and other countries.