Trump endorses Hern for Mullin’s Oklahoma Senate seat

The Hill
by Sophie Brams
March 14, 2026
3 min read

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The Bottom Line

Trump endorsed Rep. Kevin Hern for Oklahoma's Senate seat after nominating current Senator Mullin for DHS secretary.

AI Summary

President Trump endorsed Rep. Kevin Hern (R-Okla.) for the Senate seat that would be vacated by Sen. Markwayne Mullin, whom Trump has selected as his nominee for Department of Homeland Security secretary. Trump announced his backing of Hern in a Truth Social post on Friday, after the congressman launched his Senate bid earlier this week. The endorsement gives Hern significant backing in what could become a competitive Republican primary for the seat. Hern would need to win both the GOP primary and general election to secure Mullin's Senate position if Mullin is confirmed as DHS secretary.

What's Being Done

Hern launched his Senate campaign and would need to win a GOP primary and general election.

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