Getting good jobs out of Trump’s tariff policy demands a labor movement his administration is bent on kneecapping, union historian says

• President Donald Trump believes his tariffs will bring back more factory jobs—but absent a robust union movement, those jobs could likely end up paying cut-rate wages and injuring workers at high rates, as factory jobs in the South today often do, says labor historian Eric Blanc. He argues a mass unionization campaign in factories, retail stores, and other workplaces is called for, especially as Trump moves to undo union protections with other policies.

President Donald...