IT HAS taken the Japanese government more than 18 months since the earthquake and tsunami that hit Fukushima to pay tribute to a group of brave men, once known as the “Fukushima 50”, who risked their lives to prevent meltdowns at the Fukushima Dai-ichi nuclear power plant from spiralling out of control. But when the prime minister, Yoshihiko Noda, belatedly offered official thanks to them on October 7th something strange was afoot: six of the eight men he addressed had their backs to the television cameras, refused to be photographed and did not introduce themselves by name, not even to...