The Iranians are marching along in their quest for nuclear weapons (alleged). Just some time back North Korea went nuclear. Though I don't want to put India in the same league as the nations mentioned so far, India too went nuclear which invited a tit for tat response from Pakistan. Israel is an undeclared nuclear power. South Africa was on its way before giving up. Several oter countries have been in quest of acquiring nuclear weapons. The one thing in common is that they are all third world previously colonized countries who for long loved under poverty. Over a period they were under one pretext or the other sanctioned and denied advanced technology by the old world. Over a period of time, these nations using their resources both natural and human have been rising out of their poverty which was the result of the previous colonization by the west. The west which develops and holds advanced tech probably does not want most of these nations to rise to challenge their own pre-eminence. The west particularly holds advanced defense technology which it uses to force its will on others. We have seen enough examples of this over the years. The old world over the years developed sanctions and technology denial regimes while it kept weapons of mass destruction in large numbers. It developed means like NPT, CTBT, MTCR but very steadfastly refused to get rid of all weapons of mass destruction for good though they have cut down their active arsenal partly because they could not afford them anymore. The only way out for the countries in question was to acquire a deterrent. The west has over the years attempted regime change and implemented them as well. The acquiring of nuclear weapons rightly or wrongly gives a sense of security Libya which pursued nuclear weapons and then gave up, ultimately saw a regime change. On the other hand, North Korea which exploded an atomic bomb has been handled with kid gloves. The "old world order" and it's hypocritical polices is what has made the world a more dangerous place.