Assessing Nuclear Power's Safety

Japan raised the threat level at its malfunctioning nuclear plant to seven this week, the highest level. Physicist Tom Cochran discusses the ongoing situation at the reactors, and explains why he says it's time for an independent commission to review U.S. nuclear safety.

Source: http://www.npr.org/2011/04/15/135442934/assessing-nuclear-powers-safety?ft=1&f=1007

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