We, too, do not have the luxury of ignorance. Our systems serve us well for the most part. But they will need to be revamped for and by the next generation — the generation of the young people at the rehearsal dinner — to accommodate our rising population, technological progress, increasing affluence, and climate change.

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But when I mentioned how remarkable it was that a hundred-plus people could parachute into a remote, unfamiliar place and eat a gourmet meal untroubled by fears for their health and comfort, they were surprised. The heroic systems required to bring all the elements of their dinner to these tables by the sea were invisible to them. Despite their

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