Whence, Future?

The Arthur C. Clarke Award nominees have been announced, and while the titles proves interesting, I was struck by the fact that almost all (with the exception of Gwyneth Jones's Midnight Lamp and portions of Tricia Sullivan's Maul) seem to be set in either the present day or the past. Perhaps this is an anomoly--I don't think science fiction necessarily has to be set in the future--but I find it curious nonetheless, and makes me wonder what will result from this looking backward. Any thoughts?

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