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Stock Markets March 22, 2026

Senate Moves to Close Debate on Markwayne Mullin's Homeland Security Nomination

Cloture vote advances the nomination to a final confirmation likely the following day, after committee approval despite chair opposition

By Ajmal Hussain
Senate Moves to Close Debate on Markwayne Mullin's Homeland Security Nomination

The U.S. Senate voted 54-37 to end debate on the nomination of Republican Senator Markwayne Mullin to lead the Department of Homeland Security, clearing the way for a possible confirmation vote on Monday. The nomination previously cleared a Senate committee despite opposition from its chair, and, if confirmed, Mullin would succeed Kristi Noem, who was dismissed on March 5. Mullin is a member of the Cherokee Nation and would be the second Native American to serve in a Cabinet-level role if his confirmation is approved.

Key Points

  • Senate invoked cloture on Mullin's nomination with a 54-37 vote, limiting further debate and advancing the nomination toward final consideration.
  • The Senate Homeland Security and Governmental Affairs Committee had already voted to send the nomination to the full Senate despite opposition from committee chair Senator Rand Paul - indicating division within the panel.
  • If confirmed, Mullin would replace Kristi Noem, who was fired on March 5, and would be the second Native American to hold a Cabinet-level role.

WASHINGTON, March 22 - The Senate on Sunday voted 54-37 to invoke cloture on the nomination of Republican Senator Markwayne Mullin of Oklahoma to serve as the next secretary of the U.S. Department of Homeland Security. The cloture vote was intended to limit further debate and move the nomination toward a final confirmation vote, which could take place on Monday.

The nomination had already been forwarded to the full Senate by the Senate Homeland Security and Governmental Affairs Committee earlier in the week. That committee decision came despite opposition from the panel's chair, Senator Rand Paul of Kentucky, but resulted in the measure being sent to the chamber for consideration.

If the Senate confirms Mullin, he would replace Kristi Noem, who was dismissed from the post on March 5. Mullin is a member of the Cherokee Nation, and his elevation to the Cabinet-level position would make him the second Native American to serve as a Cabinet member, should the confirmation be approved.

The 54-37 cloture result narrows the window for additional debate and procedural delays, setting the stage for a final up-or-down vote. The timing for that final vote has not been fixed beyond the expectation that it could occur on Monday, leaving the confirmation outcome pending until the full Senate records its decision.

The committee-level action earlier in the week demonstrated a divergence within Republican ranks, with the committee advancing the nomination even as its chair registered opposition. That development preceded the Sunday cloture vote on the Senate floor, which moved the nomination closer to resolution.

Key procedural steps remain in front of the Senate before a new head of the Department of Homeland Security can be confirmed. The cloture vote constrained debate, but it does not itself constitute final confirmation; the full Senate must still cast a final vote to approve or reject the nomination.

Quick facts

  • Cloture vote on the nomination: 54-37.
  • Possible timing for final confirmation vote: Monday.
  • Current DHS secretary replaced: Kristi Noem, fired on March 5.
  • Nominee's background note: Member of the Cherokee Nation; would be second Native American Cabinet member if confirmed.

Risks

  • Final confirmation remains uncertain until the full Senate votes - the article notes the confirmation could occur on Monday but does not confirm a result, leaving near-term uncertainty for department leadership. (Impacted sectors: government operations, homeland security.)
  • Opposition from the committee chair and the 37 votes against cloture indicate ongoing partisan or intra-party resistance that could affect the pace or outcome of the confirmation. (Impacted sectors: political landscape, government oversight.)

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