Tsunehisa Katsumata, right, former chairman of Tokyo Electric Power Co. (TEPCO), arrives at Tokyo District Court for a trial in Tokyo Friday, June 30, 2017. Three former executives of TEPCO, including Katsumata, are going on trial for alleged negligence in the 2011 Fukushima nuclear disaster. The trial is the first to consider whether the utility can be held criminally responsible. (Shigeyuki Inakuma/Kyodo News via AP)