Asking why we have nukes is similar to asking why we have many of our modern conveiniences. Technology advances. That's why we have nukes.
You are right in a sad way in the absence of total nuclear disarmament, terrorists might acquire nuclear weapons. But a world where there are many nuclear-armed countries would be even more dangerous. its a game and very dangerous one its like to dogs squaring up who has the bigger balls lets hope one suddenly does not decide it has and takes a bit because the other might bite back.
ed up world.