The secretary-general of the United Nations has just issued a warning that the world is on the verge of nuclear annihilation. What would happen to us here if there was a major nuke exchange in Europe/America? Not total destruction, but substantial attacks on cities and military targets on both sides. How would that affect New Zealand? Radioactive cloud? Climate damage? Collateral effects of strikes on Australia? Would it become On the Beach here or could we get through it cockroach-fashion?