Hiroshima anniversary is a reminder of the ongoing threat

THE nuclear agreement between Iran, the five permanent members of the United Nations Security Council plus Germany, and the EU, comes at a historically propitious moment.
Seventy years ago this month, the nuclear bombs dropped on Hiroshima and Nagasaki opened the darkest chapter in the long history of humanity’s wartime horrors. Fire, bullets, and bayonets were now joined by nuclear radiation — a silent, invisible killer like gas and biological agents.