Nuclear Weapon control, liberals trying to take away other countries freedom?

Now anyone with sense knows the liberals taking away the guns in our country are really just trying to take away our freedoms. But many of these same people have no problem telling North Korea or Iran that they can't build nuclear weapons. In a world where every industrialized country has nuclear weapons, what right do we have to tell another country that they can't protect themselves? I find it a bit sad how even conservatives have no problems taking away the rights of others just because they aren't from the US. I get it from the fucking liberals, they would rather have snakes shoved down their throats than to see another person with freedom, but whats up with the conservatives standing for this injustice? On a worldwide level, not having nuclear weapons feels the same as trying to fight against assault rifles with bows and spears. Why not just tell Iran they aren't allowed to have guns?