Five years ago, a powerful earthquake and tsunami sent the Fukushima Daiichi nuclear power plant in Japan into multiple meltdowns, resulting in the worst nuclear disaster in a quarter century. More than 160,000 Fukushima residents fled their homes in the wake of the disaster, and the effects of the seaside towns now leveled, the schools still shuttered, the once-famous destinations all but vacant, and the nearly 19,000 lives lost weigh...