TOKYO—More than 2½ years after the Fukushima nuclear disaster, Tokyo Electric Power Co. began Monday the painstaking and potentially dangerous process of removing fuel rods from one of the plant’s damaged reactor units. The operation, expected to take more than a year to complete, is Tepco’s first step toward dismantling the devastated plant in what is expected to be a 30- to 40-year cleanup process after one of the worst nuclear accidents in history. The removal of the fuel also provides the operator […]