including any international airport, so covering almost everywhere where anyone lives

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Life was materially much harder but in the early 20th century there were real labour movements and tight communities and that counts for a lot. We have to find a way to recreate connections and a shared sense of struggle (but without pining for some glorified imaginary past like the fascists), but it might just take conditions getting a lot worse still to drive people to that.

It could cost a lot of American lives. Could also save a bunch of Chinese ones.