Standard postwar theories of class composition in the global north emphasized occupational differences between employers, blue collar, and white collar workers. But deindustrialization, and the army of underpaid service workers it generated, has increasingly muddied these categories.

It's been a turbulent week for the US Postal Service. With revenues plummeting as mail volume drops, the Postal Worker's Union leader recently estimated that the service is likely to literally "run out of money" by October. The crisis has…