The Filibuster Is a 200 Year Old Accident. It's Now Deciding the Future of American Democracy.

By Radell Lewis

Host, Purple Political Breakdown

Most Americans have heard the word "filibuster." Very few understand what it actually is, where it came from, or why it matters right now more than it has in decades.

Here is the short version: the filibuster is the reason almost nothing gets done in the United States Senate. And right now, a fight over whether to keep it, modify it, or destroy it is at the center of one of the most consequential political battles of 2026.

What the Filibuster Actually Is

The filibuster is the Senate's 60 vote threshold required to end debate on most legislation. Most bills only need 51 votes to pass, but senators must first agree to close debate through a process called cloture, which requires 60. If 41 senators refuse, the bill dies. The word "filibuster" does not appear anywhere in the Senate's official rules.

It was not designed by the Founders. It emerged accidentally in 1806 when Vice President Aaron Burr recommended eliminating a procedural motion, and the Senate never replaced it with anything. For most of the 1800s, filibusters were rare because they required senators to physically stand on the floor and speak continuously. In 1917, the Senate created Rule XXII, allowing a supermajority to end debate. That threshold was lowered from 67 votes to 60 in 1975.

Today, a senator does not even have to speak. The modern "silent filibuster" means a senator can block legislation by simply signaling intent to object. Because leaders know they lack 60 votes, they often do not bother bringing a bill to the floor at all. Legislation dies before it is ever debated publicly.

A Dark History

The filibuster was most infamously weaponized throughout the mid twentieth century by Southern senators to block anti lynching legislation, anti poll tax measures, and civil rights bills for decades. Strom Thurmond set the record in 1957, speaking for 24 hours and 18 minutes against the Civil Rights Act.

Both parties have already carved out exceptions. Budget reconciliation bills pass with 51 votes under the Byrd Rule, which is how both parties passed major legislation like the 2017 Tax Cuts and Jobs Act and the 2022 Inflation Reduction Act. Democrats eliminated the filibuster for lower court nominations in 2013. Republicans eliminated it for Supreme Court nominations in 2017.

Why It Matters Right Now

The SAVE America Act, Trump's voter ID and election overhaul bill, passed the House 218 to 213 and has at least 50 Republican votes in the Senate. But it cannot clear the 60 vote filibuster because all 47 Democrats oppose it. Trump has called the bill his top legislative priority and is pressuring Senate Majority Leader John Thune to eliminate the filibuster entirely.

The irony is striking. In 2022, Democrats tried to eliminate the filibuster to pass voting rights legislation and were blocked by Senators Joe Manchin and Kyrsten Sinema. Now Republicans want to eliminate it for their own voting bill while Democrats defend it. Both parties have completely reversed their positions.

Senator Thom Tillis (R, NC) called eliminating the filibuster "a foolish and lazy idea." Senator Susan Collins (R, ME) said she opposes gutting it despite supporting the SAVE Act itself. Senator Lisa Murkowski (R, AK) opposed the bill entirely. Thune said the votes to change the rules simply are not there.

The Bigger Picture

This debate does not exist in a vacuum. It is happening while the U.S. is three weeks into a war with Iran that has killed 13 American service members and wounded 200 more. Oil prices are surging toward $180 per barrel. The government must refund $175 billion in tariff revenue after the Supreme Court struck down Trump's IEEPA tariffs. FCC Chairman Brendan Carr is threatening broadcast licenses over war coverage. A federal judge blocked the DOJ's probe of Fed Chair Jerome Powell, calling it a pretext to pressure him on interest rates.

The common thread across every one of these stories is the tension between institutional guardrails and raw political power. The filibuster is the purest expression of that tension: a rule that nobody designed, nobody voted for, and nobody can agree on, that nevertheless determines whether the majority can govern.

What Comes Next

Research from the University of Chicago's Center for Effective Government identifies four reform paths: eliminating the filibuster entirely, returning to a talking filibuster, reducing cloture from 60 to 55 votes, or creating additional issue specific carveouts. The Brookings Institution notes it only takes 51 votes to change the rules. The reason it has not happened is that senators know they will eventually be in the minority and want the tool for themselves.

Washington State University's Foley Institute found that the most common reason Senate majorities fail is internal disagreement within their own party, not minority obstruction. Eliminating the filibuster would not guarantee more legislation passes. But the silent filibuster has turned what was once a rare act of protest into a routine tool of obstruction that prevents the Senate from functioning at all.

I covered all of this in detail on this week's Purple Political Breakdown episode. If you want the full breakdown of the filibuster's history, the current fight, and the reform proposals, give it a listen: https://podcasts.apple.com/us/podcast/the-filibuster-the-iran-war-and-the-save-act/id1626987640?i=1000756591255

Purple Political Breakdown: Political Solutions Without Political Bias.

Sources:

University of Chicago Center for Effective Government, Filibuster Reform Primer (2024)

Brookings Institution, What Is the Senate Filibuster (2024)

Washington State University Foley Institute, Abolishing the Filibuster

PBS NewsHour, What Is the Filibuster and Why Does Trump Want to Get Rid of It

CNN, Tillis Warns Against Gutting Filibuster for SAVE Act (March 2026)

NBC News, SAVE America Act Has 50 Senate Votes (February 2026)

Al Jazeera, US Israel Attacks on Iran Death Toll Tracker (March 2026)

TIME, U.S. Service Members Killed in Iran War (March 2026)

CNBC, Fed Jerome Powell Investigation (March 2026)

NPR, FCC Chair Threatens Broadcasters (March 2026)

Christian Science Monitor, Talking Filibuster Explainer (March 2026)

Axios, Joe Kent Resignation (March 2026)

Newsweek, Tucker Carlson CIA Claims (March 2026)