Are you dodging the question because your whole premise is starting to feel shaky? Answer my question: How do you measure intent of some individual that you have never met, nor even know exists?
No not dodging, just trying to make a point. If you don't know something exists because you haven't experienced it yet, there's nothing to do about it. You don't even know what
it is. I use the sun example because we all know the sun exists by indirect observation.
In the situation where you have 'nutcases', as you call them, they tend to interact with their environment. This interaction can be observed indirectly. To wit, I just observe their behaviors and notice things about how they (re)act in certain circumstances. If their behavior becomes violently inclined, I should probably prepare to defend myself. Once it's determined that you or I believe their actions rise to the level of imminent threat, we intervene, but not until then; and then we deal with all of the consequences that follow.
But then you knew that.
Maybe you're just worried I don't care, or I'm another one of your 'nutcases' laying in wait. Still concerned?
http://en.wikipedia.org/wiki/Shankill_ButchersRead what they did and notice that the majority of them had no criminal records until jailed for kidnapping, pulling the victims teeth out with pliers and torturing them to death. Their only weakness was being members of the UVF which regards the existence of Catholics as a thread to the liberty of Britons everywhere.
http://en.wikipedia.org/wiki/Ulster_Volunteer_ForceThe UVF still exists. It kills a few people every year. It is a secret army, totally illegal and has over 1000 members, again mostly with clean criminal records apart from those in jail for attacks on Catholics.
These are the people who will be first to buy nukes. They have the money and they have the targets. They are not "nutcases" - if you are allowing free access to nuclear weapons, you are arming them.
As you probably guessed, I come from the community they prey on. We have our hard men as well who regularly kill people and the PSNI can't do a thing as no-one dares talk. I met the guy who planted a bomb in Chelsea Barracks. I know he would have used a nuke if that was the order he was given.
Fred, I don't know why you are arguing that we have to wait for the detonator to be pressed. If these guys have nukes, they have them for the purpose of killing lots of people. In the 1970's they were interned because they were killing so many people the courts could not keep up. In your system, that wouldn't be an issue would it? One suicidal volunteer and a loud bang and the Catholic area they hate is vaporised. The blessed volunteer goes straight to heaven and lives forever in murals.
And yes, you have said you don't care so I don't think you care. Feel free to tell me otherwise but do so with a system that doesn't involve sitting around twiddling our thumbs while we wait for mass murder.