A worker is screened for radiation as he enters the emergency operation center at Tokyo Electric Power Co. (TEPCO)'s tsunami-crippled Fukushima Daiichi nuclear power plant in Fukushima prefecture in ... more 
A worker is screened for radiation as he enters the emergency operation center at Tokyo Electric Power Co. (TEPCO)'s tsunami-crippled Fukushima Daiichi nuclear power plant in Fukushima prefecture in this February 20, 2012 file photograph. To match Special Report FUKUSHIMA-WORKERS/ REUTERS/Issei Kato/Files (JAPAN - Tags: DISASTER ENERGY ENVIRONMENT BUSINESS EMPLOYMENT POLITICS TPX IMAGES OF THE DAY) less 
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Reuters | Photo By ISSEI KATO / REUTERS
Fri, Oct 25, 2013 1:09 AM EDT