Because it would have to be a global moratorium. That isnt going to happen. If it is not universal, there is the fear that the other side will continue and get

Because it would have to be a global moratorium. That isnt going to happen. If it is not universal, there is the fear that the other side will continue and get the upper hand. But this was the same thinking behind the atom bomb, we have to do it before anyone else does. As a defense.