If Iran and the DPRK succeeds in building nuclear weapons (It seems to me that the North Koreans have already succeeded in doing it), then the blame must fall on the United States. The arrogance of the Americans is the reason why more and more countries are pursuing nuclear ambition now.
Well, if you have nukes and something what can take it to US soil, then even the US will politely knock on your door instead of kicking it in and bringing you love, freedom, democracy in 500 lbs packages (or sometimes 21600 lbs packages if their Viagra stock running low). So yes, having nukes and rockets is a lucrative option for everyone who have natural resources what the US might need, I guess.
LOL, I nevered considered this, but you have a point. NK is kind of resource batren, I believe we get rare earths from them. But, a deterrent is a deterrent; what's good for the goose is good for the gander. But with that being said, nukes where a can of worms we should have never opened, as humans. For the collateral damage this technology causes, nukes should be banned across the board. But this won't happen; I'm a realist
no way US or Russia is lowering the gun first.