The horrors of the past lose their edge, and in the doing they blind us to a world careening toward a darkness beyond the bitterest speculation. It’s sure to be interesting. When the onset of universal night is finally acknowledged as irreversible even the coldest cynic will be astonished at the celerity with which every rule and stricture shoring up this creaking edifice is abandoned and every aberrancy embraced. It should be quite a spectacle. However brief.