Shinzo Abe, Japan's prime minister, walks through the emergency operations center at Tokyo Electric Power Co.'s (Tepco) Fukushima Dai-Ichi nuclear power plant in Okuma Town, Fukushima Prefecture, Japan, on Saturday, Dec. 29, 2012. All but two of Japan's 50 nuclear reactors remain offline for safety checks following the Fukushima nuclear disaster on March 11 last year. Photographer: Itsuo Inouye/Pool via Bloomberg