A jungle primary that protects the incumbent

THE RESULT was never much in doubt. Marie Gluesenkamp Perez, the Democratic incumbent for Washington's 3rd congressional district, advanced to the November general election on Tuesday as expected. What is more interesting is how the state's unusual primary system made it so. Washington's "jungle" primary - in which all candidates appear on a single ballot and the top two finishers, regardless of party, advance - is often defended as a cure for partisan tribalism. In practice, it functions as an incumbency insurance policy.

Ms Gluesenkamp Perez faced nine candidates in the primary, including Republicans, other Democrats, an independent and a centrist Cascade Party candidate. That crowded field is the structural point. In a traditional partisan primary, opposition parties must consolidate around a single nominee before reaching the general election. In a jungle primary, they fragment. The Republican side spent its primary cycle with at least two viable candidates, John Braun, a state Senate Minority Leader and retired Navy captain from Chehalis, and a less-funded rival. That division gave Ms Gluesenkamp Perez breathing room in a district that is a toss-up and one of only 18 such House races in the country.

The incentive structure runs deeper than a single race. Jungle primaries reward incumbents because they are, by definition, the best-known name on a crowded ballot. Challengers of every stripe must split with one another. The system does not eliminate partisanship; it postpones it. Voters in swing districts still vote largely along party lines in November. But the primary stage is turned into a numbers game in which the incumbent simply needs to be the most visible entry.

To be sure, Ms Gluesenkamp Perez's position is not invulnerable. The general election in November will be far more binary than the primary was. Mr Braun, who received an endorsement from former President Donald Trump and $5.7m in reserved campaign funding from the Congressional Leadership Fund, a super PAC that helps elect Republicans to the House, is the strongest Republican the district has produced in this cycle. Ms Gluesenkamp Perez won her initial 2022 upset over the previous Republican incumbent by razor-thin margins and expanded her victory to about 4% two years later. She co-chairs the Blue Dog Coalition, the centrist bloc within the Democratic caucus, which suggests she is comfortable in a competitive conservative-leaning district. But the 2026 election is not 2024. It is a midterm, and the macro-political environment will be different.

The trouble is that jungle primaries, for all their reformist pedigree, are not solving the problem they were designed to fix. The hope was that open primary ballots would produce more moderate nominees and force candidates to appeal across the aisle. The evidence suggests otherwise. What changes is not the ideology of the nominee but the mechanics of competition. Incumbents benefit. Well-funded outsiders who can afford to outspend a fragmented opposition can too. The average voter gains little.

The broader lesson is about institutional design. Primary reform is popular among reformers because it sounds like it changes who gets elected. It does not. It changes how they get there. A system that puts all candidates on one ballot is more transparent than a partisan primary, but it is also more forgiving to those who already hold office. The reformers' promise was a less tribal politics. The result is a primary stage that is less threatening to the status quo.

For voters in the 3rd district, the primary is over. The real contest begins in November. Ms Gluesenkamp Perez's re-election will test whether jungle primaries protect incumbents even when the national political wind has shifted. Mr Braun's funding and endorsements suggest the Republican side is treating the seat as worth a serious investment. Whether that is enough will depend on whether the broader midterm environment moves the district in his direction.

The aim for primary reformers should be honesty. If the goal is to produce more competitive elections, a jungle ballot is not the tool. If the goal is to protect incumbents while giving the appearance of openness, it works perfectly. Voters who want choice would be better served by systems that actually force a reckoning before November, not ones that postpone it.