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Story summary
- Markwayne Mullin, an Oklahoma businessman and former mixed martial arts fighter, promised to serve only three terms in Congress.
- He reversed that pledge to align with U.S. President Donald Trump, believing he could influence policy from within.
- Over the years, Mullin developed strong ties to Trump as a key ally in Congress.
- In 2023, Trump appointed him as homeland security secretary, to implement the president's immigration agenda.
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