Nuclear Disaster: 3 Essential Questions About Japanese Reactors

Officials and energy workers in Japan struggled today to control the reactors at the Fukushima Daiichi plant, badly damaged in Friday's earthquake. Officially, the Japanese government seemed focused on keeping people calm even as they evacuated residents from near the nuclear reactors. For the latest news on the reactors, click HERE. ABC News asked three of the most essential questions of ABC's nuclear experts: Joseph Cirincione, who was the Director for Non-Proliferation at the Carnegie...Full Story