As Japan struggles to contain the worst nuclear emergency since Chernobyl, we talk with experts about the potential fallout from the nuclear reactors in Fukushima.
Japan's Nuclear Crisis
As Japan struggles to contain the worst nuclear emergency since Chernobyl, we talk with experts about the potential fallout from the nuclear reactors in Fukushima.

(Jiji Press/AFP/Getty)
Guests:
Per Peterson, professor and chair of the Department of Nuclear Engineering at UC Berkeley
Jerrold Bushberg, professor of radiology and director of health physics programs at UC Davis