Iran, Iraq, and North Korea: Comparisons

All of these countries are basically under threat by the US for a regime change. I think it may have been after Saddam was overthrown or dragged out of his bunker, all bearded and looking absolutely miserable. Not to make any comment on the quality of human being of these individuals. Iran similarly under threat from the US in some pretty, pretty major ways. To be a credible user of those weapons is an enormous economic undertaking with big potential headaches.