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● InformationalCongress / Members

Why Markwayne Mullin's DHS confirmation reshapes Oklahoma's Senate seat

Mullin’s confirmation to lead Homeland Security created the Senate vacancy that Oklahoma filled.

Why Markwayne Mullin's DHS confirmation reshapes Oklahoma's Senate seat
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This article1 analysis · Oct 8, 2026
News On 6
Mar 29, 2026
tl;dr

The Senate confirmed Markwayne Mullin as Homeland Security secretary in a 54-45 vote, and Oklahoma Gov. Kevin Stitt appointed Alan Armstrong to fill Mullin’s Senate seat. Armstrong is to serve temporarily until voters choose a permanent replacement.

Community verdict

VOTING CLOSED
How does this story look for
Markwayne Mullin Secretary of Homeland Security
NOT RATEDCLOSED

No good or bad look here

This story reports what happened without casting Mullin in a good or bad light, so readers don’t rate it and it doesn’t count toward Mullin’s record.

● INFORMATIONAL

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Markwayne Mullin
Secretary of Homeland Security

Confirmed as secretary of the Department of Homeland Security after leaving his Senate seat

PRIMARY SUBJECT
Alan Armstrong
R · OK · SEN

Appointed to fill Markwayne Mullin’s vacant Senate seat

Armstrong's version of this story ↗
Donald Trump
R · President of the United States

President who nominated Mullin to lead Homeland Security

ALSO MENTIONED  Kevin Stitt, Oklahoma governor who appointed Armstrong to the vacant Senate seat

Part of a bigger story

18 OUTLETS
Senate Confirms Markwayne Mullin as Homeland Security Secretary

The Senate confirmed Markwayne Mullin as Homeland Security secretary by a 54-45 vote. Left-leaning outlets question Mullin’s leadership and the direction of DHS, often tying the appointment to shutdown effects. Center outlets largely recount the confirmation and transition while noting agency funding and immigration-enforcement disputes. Right-leaning outlets foreground the vote and lawmakers’ alignments, with some presenting Mullin favorably or defending him from criticism.

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