The United States Postal Service is a crucial institution for black workers in America. That's why Bernie Sanders's strong support for defending and expanding the USPS is a key racial justice issue.
Paul Prescod is a middle-school social studies teacher and member of the Philadelphia Federation of Teachers.
For black meatpacking workers, multiracial class politics was the path to economic and social advancement.
In 1970, postal workers went on strike and provoked a national crisis for the United States government. Their rebellion holds lessons for labor today.