I don't think that anyone seriously fears that the world can be blown to pieces all together. But what one can fear and rightly so are regional things, like in the Middle East, India, Pakistan, the Korean Peninsula, borders in Africa, etc.
Hans BlixThe recent inspection find in the private home of a scientist of a box of some 3,000 pages of documents, much of it relating to the laser enrichment of uranium support a concern that has long existed that documents might be distributed to the homes of private individuals. On our side, we cannot help but think that the case might not be isolated and that such placements of documents is deliberate to make discovery difficult and to seek to shield documents by placing them in private homes.
Hans BlixThe South Africans decided that they would like to prove to the world they did not have any nuclear weapons and their decision was not doubted because it was the end of the Cold War, it was also the end of apartheid.
Hans Blix