Before Google, 1964 World's Fair opened U.S. to diverse cultures

" TOMORROW-LAND : The 1964-65 World's Fair and the Transformation of America," by Joseph Tirella, Lyons Press, $26.95, 360 pages It may be difficult for those born after 1984 to imagine, but there was a time when one could not find out everything about a distant culture with the click of a mouse.

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