Sean O'Brien
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- Teamsters President Sean O'Brien spoke at the RNC — a first for the union.
- O'Brien's message aimed to foster bipartisan cooperation toward labor goals.
- Critics argued that O'Brien's speech legitimized Trump's anti-union record.
Even before Teamsters President Sean O'Brien made a historic move on Monday by being the first president of the union to speak at the Republican National Convention, fellow members...