Japan Set to Reactivate Nuclear Reactors Next Week

Seventy years ago, Japan became only nation ever hit with an atomic weapon. Four years ago, it suffered one of history's worst nuclear accidents. Now Japan is about to do something that's never been done before: re-start the fleet of nuclear reactors mothballed after the meltdowns at Fukushima. Edwin Lyman is senior scientist at the Union of Concerned Scientists in Washington.