What Has Humanity Learned From Hiroshima? 81 Years After the Bomb, the World's Nuclear Arsenals Are Growing Again

What Has Humanity Learned From Hiroshima? 81 Years After the Bomb, the World’s Nuclear Arsenals Are Growing Again

A record 121 countries attended Hiroshima’s 81st anniversary ceremony, while the world’s nine nuclear powers still hold some 12,000 warheads. With New START expired and the NPT review deadlocked, why are nuclear arsenals growing again?