Messages on the moon from a world turned upside down

(Essay): As a science-fiction writer, I am often asked to comment on our failure to live up to the grand visions conjured by the Apollo program and the science fiction of half a century ago. After all, no human being has returned to the moon, there are no space colonies and we are no closer to universal peace. Are we too mired in our petty politics to lift up our eyes to the stars? Should we be disappointed in ourselves?
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Added July 15, 2019
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