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The Time Machine
b'In recent months, many of us have looked back with longing at our lives before COVID-19. For many of us, that world was one of bustle and activity \\u2014 marked by scenes of packed restaurants, crowded subway cars, and chaotic playgrounds. In this audio essay, Shankar discusses our wistfulness for the world before the pandemic, and why such nostalgia can actually help to orient us toward the future.'