Oklahoma Sen. Mullin Says He’s Reversed Course, Backs Eliminating 60-Vote Filibuster
Oklahoma Senator Markwayne Mullin has publicly signaled a shift in his stance on the Senate filibuster, posting that “My position on the filibuster has changed. Let’s go all in.” on the social platform X, a move that could reshape GOP strategy in Washington if confirmed by independent reporting.
The shift comes amid a broader conflict over the Senate’s 60-vote rule as Republicans struggle to pass funding and end a record government shutdown, and President Donald Trump intensifies calls to “nuke the filibuster” to ease legislative gridlock.
Mullin’s social post declaring his changed position directly addresses the procedural hurdle that prevents most bills from reaching a vote without broad support, signaling he may now back eliminating the supermajority threshold. Previously, Mullin had discussed limited “nuclear option” approaches confined to specific funding scenarios, but had not endorsed fully scrapping the filibuster rule.
The announcement adds a new complication: Republican leadership, including Senate Majority Leader John Thune, publicly resists ending the filibuster, noting there aren’t enough votes and warning such a move could backfire if Democrats regain power.
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“Mullin’s new posture shows the pressure within the GOP caucus is real,” said a Senate procedural expert. “It highlights the strategic dilemma Republicans face between governance and guarding institutional norms.”
That matters because abolishing the filibuster could short-circuit longstanding Senate traditions and dramatically lower the vote threshold for legislation but it could also set up Democrats to do the same in the future, increasing volatility.
Next, reporters will be watching for a formal floor statement from Mullin or coverage by legacy outlets to confirm his stance beyond social posts. If verified, this could mark a notable inflection point in the filibuster debate in Washington.
For now, the question remains.
Will other Republicans join him and move the Senate toward a filibuster overhaul?
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