Stop nuclear proliferation now

IN the midst of what has become the most violent period in history since the end of the Second World War, the world is once again facing an increased risk of nuclear destruction. For the past 40 years, the world has gradually retreated from the brink of nuclear war as the two biggest nuclear-armed powers, the US and Russia, along with other nations — with one glaring exception — have observed a ban on nuclear weapons testing and have generally exercised restraint.