Greenpeace activists flew a Superman-shaped drone into the no-fly zone around a French nuclear plant on Tuesday before crashing it against the building to highlight the facility’s lack of security. The drone, piloted by one of Greenpeace’s activists, slammed into the tower in Bugey nuclear plant, about 20 miles from the eastern city of Lyon, the group said in a video. “This action again highlights the extreme vulnerability of this type of buildings, which contain the highest amount of radioactivity in nuclear plants,” Greenpeace said, according to Reuters. The environmental group, which also crashed a tiny radio-controlled plane into the...