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Labor Unions Challenge Democratic Leadership in Maine Senate Primary

2/27/2026, 8:07:09 PM

Union Opposition to Janet Mills

In the lead-up to Maine's Democratic Senate primary, labor unions are expressing significant opposition to the candidacy of Governor Janet Mills. Union leaders, including United Auto Workers President Shawn Fain, have urged Senate Minority Leader Chuck Schumer and the Democratic Senatorial Campaign Committee (DSCC) to withdraw their support for Mills, citing her perceived shortcomings in labor relations. Fain has criticized the Democratic establishment for not adequately addressing the concerns of working-class voters, specifically highlighting the Maine primary as a critical example of this disconnect.

Graham Platner's Rising Popularity

Graham Platner, an oyster farmer and military veteran, has emerged as a formidable challenger to Mills. Polls indicate that Platner holds a substantial lead over Mills, with a recent University of New Hampshire survey showing him at 64% support compared to Mills' 26%. This shift in voter sentiment is attributed to Platner's progressive platform, which resonates with younger voters and labor unions. His campaign has garnered endorsements from several key figures, including Senators Bernie Sanders, Chris Murphy, and Sheldon Whitehouse, as well as various labor organizations.

Controversies and Campaign Dynamics

Despite his lead, Platner's campaign has faced scrutiny due to past controversies, including offensive comments made in Reddit posts and a tattoo with Nazi associations. However, his energetic campaign and union backing have helped him maintain momentum. In contrast, Mills' campaign has defended her record, emphasizing her pro-labor initiatives, such as increasing the minimum wage and enhancing worker safety standards. Mills' team argues that her experience and past electoral successes make her a strong candidate against Republican incumbent Senator Susan Collins.

Official Statements and Responses

The Mills campaign has highlighted her commitment to labor rights, with spokesperson Tommy Garcia stating, "Janet Mills is the only Democrat in this race who has actually won statewide, not once but twice." Meanwhile, union leaders have expressed frustration with the DSCC's backing of Mills, arguing that it undermines their support for Platner. David Sullivan, general vice president of the International Association of Machinists and Aerospace Workers, emphasized the need for Schumer to "stay out of Maine," reflecting the growing rift between labor and the Democratic establishment.

Criticism of Democratic Leadership

Critics within the labor movement have characterized Mills' relationship with unions as "adversarial," citing her vetoes of labor-backed measures aimed at strengthening workers' rights. This has led to calls for a reevaluation of the Democratic Party's approach to labor issues, particularly as the party seeks to maintain control of the Senate. The DSCC's unwavering support for Mills, despite her declining popularity among primary voters, raises questions about the party's alignment with grassroots sentiments.

What's Next

As the June 9 primary approaches, the dynamics of the race continue to evolve. With multiple debates and forums scheduled, both candidates will have opportunities to address voter concerns and solidify their support. The outcome of this primary is critical not only for the candidates involved but also for the broader implications it holds for the Democratic Party's strategy in the 2026 midterms, particularly in a state where the Senate race is seen as pivotal for party control.