Tokyo Electric Power Co chairman Tsunehisa Katsumata speaks at a press conference at TEPCO headquarters in Tokyo on April 17, 2011. Japanese prosecutors have questioned the former head of the operator... more 

Tokyo Electric Power Co chairman Tsunehisa Katsumata speaks at a press conference at TEPCO headquarters in Tokyo on April 17, 2011. Japanese prosecutors have questioned the former head of the operator of the Fukushima power plant on suspicion of negligence over the nuclear crisis, local media reported Thursday less