Steady GDP growth is the duct tape holding together this jerry-rigged social order in which low-income Americans have little to no emergency savings, many basic welfare benefits are contingent on employment, and the threadbare safety net is patchy by design. This top-heavy, gold-plated jalopy of a political economy can pass as road safe in fair weather; try to ride it through a once-in-a-century epidemiological storm and it starts to break apart.