Noam Chomsky in Counterpunch:
The world has come extremely close to total destruction just in recent years from nuclear war. New Mexico plays an important role in this. There’s case after case where a nuclear war was prevented almost by a miracle. And the threat is increasing as a consequence of policies that the administration is very consciously pursuing.
U.S. Defense Secretary Donald Rumsfeld understands perfectly well that these policies are increasing the threat of destruction. As you know, it’s not a high probability event, but if a low probability event keeps happening over and over, there’s a high probability that sooner or later it will take place.
If you want to rank issues in terms of significance, there are some issues that are literally issues of survival of the species, and they’re imminent. Nuclear war is an issue of species survival, and the threats have been severe for a long time.
More here.