Union bosses blast Trump

Sean O’Brien, President of the International Brotherhood of Teamsters speaks during the first day of the Republican National Convention.
Sean O’Brien, President of the International Brotherhood of Teamsters speaks during the first day of the Republican National Convention.

Sean O’Brien, president of the International Brotherhood of Teamsters, one of America’s largest trade unions, is furious with Donald Trump. During the GOP nominee’s Monday X-space interview with Elon Musk, Trump praised Musk’s willingness to fire workers who threaten to strike. “You’re the greatest cutter,” Trumptold Musk. “You walk in and say, ‘You want to quit?’ … That’s OK. You’re all gone.'”

On Tuesday, O’Brien responded: “Firing workers for organizing, striking, and exercising their rights as Americans iseconomic terrorism.” The United Auto Workers union, meanwhile, wants a federal labor rights investigation of the comments by Musk and Trump.

In years past, a union boss blasting a GOP presidential candidate wouldn’t surprise anyone. But this is the same Sean O’Brien that Trump warmly welcomed to July’s Republican National Convention, where the union boss accused business leaders of “waging a war against American workers.”

Trump’s pro-manufacturing, anti-immigration messaging has resonated with rank-and-file union voters since 2016, even if union bosses still lean Democrat. All the largest American labor unions have endorsed Kamala Harris, except O’Brien’s Teamsters, which hasn’t endorsed anyone. Will Trump’s loose talk with a fellow one-percenter hurt him on the factory floor?

More from GZERO Media

Five years ago, Microsoft set bold 2030 sustainability goals: to become carbon negative, water positive, and zero waste—all while protecting ecosystems. That commitment remains—but the world has changed, technology has evolved, and the urgency of the climate crisis has only grown. This summer, Microsoft launched the 2025 Environmental Sustainability Report, offering a comprehensive look at the journey so far, and how Microsoft plans to accelerate progress. You can read the report here.

Punjab, Pakistan - Photos show flood-hit areas in Punjab, Pakistan, on August 26, 2025. Pakistan has evacuated tens of thousands of people to safer areas after neighboring India released water from overflowing dams and swollen rivers into low-lying border regions, officials said Tuesday.

150,000: Pakistan has evacuated at least 150,000 people from areas around three rivers of the Punjab province. Flooding risks are driving the evacuations, as monsoon rains continue to batter large portions of South Asia.

Graph of new college graduate unemployment compared to the national average, with new graduate unemployment surpassing the national average for the first time in 2022, when ChatGPT was released and the AI revolution began.
Eileen Zhang

You can’t step outside these days without hearing someone talking about AI’s impending slaughter of white-collar jobs.

- YouTube

The world is shifting from an “Age of Impunity” to an “Age of Cruelty,” says David Miliband on GZERO World, where power is exercised without accountability, human rights are ignored, and civilians increasingly suffer the consequences.

- YouTube

America’s retreat from global aid is leaving a massive funding gap that no other country is stepping in to fill, leaving the world’s poorest to pay the price, warns IRC president & CEO David Miliband on GZERO World with Ian Bremmer.

College graduate unemployment rate.
Eileen Zhang

“Pain and agony and suffering,” wrote Sam Angel, about his job hunt. He recently graduated with a masters in Cold War military history from Columbia University in New York, having decided to go right into a masters program after finishing undergrad.