I have a feeling that ShowTek and Hydro will counter that there is less of a chance of lost lives because of something like MAD: they won't attack us and vice versa since that is in no one's best interest. There's something to that logic, as it seemed to work during the Cold War. But personally I can't help but think that the odds will increase for some kind of attack when more countries have access to these weapons. At some point there are just too many variables and opportunities. At least now there are only a few countries which possess these WMDs, thus reducing the odds. It may be hypocritical, but it can still be argued that pragmatically it's in our interest to keep nukes within a limited circle. It's not fair, of course, but it's unrealistic to think that the nuclear club will give up its advantage. We can't rationally expect, then, that other countries won't try to join the club; but that doesn't prevent us from pragmatically resisting this.