While the glare of the world's media is focused upon the release of Mordechai Vanunu after 18 years in prison for revealing the world's most open secret - that Israel has the bomb - diplomats from all over the world are preparing for an important, little reported, international nuclear weapons control conference deep in the bowels of the UN in New York. And while the conference may not be secret, a whistleblower could certainly reveal much about the treaty's dark underside that most people don't know, and which may someday hurt them.