[RKitagawa]

It's about bloody time.
I don't believe this will happen anytime soon. I think it's all up to the US to take the first initiative, being the great power that they are. If the US gets rid of its nukes, It's not too far fetched to assume that other countries will follow their example. Of course, there will be those who don't. (which is the main reason no one takes the initiative)
But who knows. This may be the first step towards world peace.