The few survivors would pass it down as oral tradition. And if your whole world is devastated, far as far as you can see or travel, you probably assume it wasn't local.
You'd have the same effect if it was local. Occam's Razor.
916 posted on 09/21/2006 6:04:27 PM PDT by js1138
(The absolute seriousness of someone who is terminally deluded.)