The effort by the nuclear nations to hunt down these weapons is likely significant. As it their efforts to stop proliferation in general. It is also something t

The effort by the nuclear nations to hunt down these weapons is likely significant. As it their efforts to stop proliferation in general. It is also something the US, Russia and everyone else can agree on. Just consider the number of Iranian physicists that have driven off the road under tragic circumstances… How would non-state actors be hunted, no doubt intensively.