Clear reporting on the stories that matter
DP
Daily Pulse · July 19, 2026
Politics

Maine Democrats Poised to Nominate Troy Jackson to Challenge Senator Susan Collins

Former Maine Senate President Troy Jackson has secured overwhelming delegate support, positioning him as the likely Democratic nominee to challenge Senator Susan Collins in a pivotal Senate contest.

Maine Democrats Poised to Nominate Troy Jackson to Challenge Senator Susan Collins

Former Maine Senate President Troy Jackson has emerged as the clear frontrunner for the Democratic nomination to challenge long-serving Republican Senator Susan Collins. This development follows an accelerated process to select a new candidate after Graham Platner withdrew from the race.

Jackson Secures Strong Delegate Support

During the initial phase of delegate selection on Saturday, individuals supporting Jackson secured a significant majority of the 319 delegate positions available. This marked the beginning of a two-day process across Maine's 16 counties, leading up to the nominating convention scheduled for next weekend.

Addressing his supporters in a social media video on Saturday evening, Jackson expressed optimism, stating, "We’re well on our way to getting the government that we deserve." He concluded by conveying his gratitude, adding, "From the bottom of my heart, thank you."

Jackson's commanding lead places him in a strong position to secure the nomination and enter what is anticipated to be a highly contested and costly electoral battle against Senator Collins. This particular contest is one of approximately a dozen across the country that will be instrumental in determining whether Democrats can regain control of the Senate, where Republicans currently hold a 53-47 majority.

Jackson, a fifth-generation logger, transitioned to the Democratic Party more than twenty years ago after initially identifying as a conservative Republican. Last month, he placed third in Maine's Democratic primary for governor.

In the context of the accelerated nomination process to succeed Platner, delegates supporting Jackson secured over 90% of the available positions on Saturday. This included a clean sweep of all 149 delegates in Cumberland County, which is Maine's most populous region and encompasses its largest city, Portland.

A Progressive Platform with Key Endorsements

During his gubernatorial campaign, Jackson, like Platner, received endorsements from prominent progressive figures such as Senator Bernie Sanders of Vermont. He continues to be supported by 'Our Revolution,' an organization established in 2016 following Senator Sanders' initial presidential bid.

Echoing Platner's approach, Jackson is campaigning on a progressive and populist agenda designed to appeal to working-class constituents. His policy positions include advocating for increased taxes on billionaires, establishing a universal healthcare system often referred to as "Medicare-for-all," disbanding U.S. Immigration and Customs Enforcement, and opposing military assistance to Israel — a stance that highlights growing divisions within the Democratic Party regarding support for the long-standing Middle Eastern ally.

Other contenders for the nomination garnered minimal delegate support on Saturday. Nirav Shah, who served as director of the Maine Center for Disease Control and Prevention from 2019 to 2023 and later as principal deputy director of the federal CDC during the Biden administration, and who finished second in last month's Democratic gubernatorial primary, secured only a small number of delegates. Maine Secretary of State Shenna Bellows, who placed fourth in the gubernatorial nomination race, lagged even further behind in delegate acquisition. Also trailing was Jordan Wood, a former congressional aide to then-Representative Katie Porter of California, who previously made unsuccessful bids for both the Senate and the Democratic nomination in Maine's 2nd Congressional District this cycle.

The remaining eight counties in Maine are scheduled to select 181 delegates on Sunday. These 500 delegates chosen over the weekend, combined with 101 automatic delegates from the Democratic State Committee, will total 601. All 601 delegates will cast their votes for the Senate nominee at the convention next Saturday in Bangor.

The Context of Platner's Withdrawal

Platner, a combat veteran and oyster farmer, initially launched his campaign last August with early backing from Senator Sanders, quickly gaining momentum. Even two-term Democratic Governor Janet Mills, who had been strongly encouraged by long-serving Democratic Senate leader Senator Chuck Schumer to run for the Senate, suspended her own campaign this spring after consistently lagging behind Platner in both fundraising and public opinion polls.

However, despite Platner's success in overcoming the Democratic establishment and decisively winning the nomination last month, his campaign had already been grappling with a series of controversies, forcing him onto the defensive.

Earlier this month, Platner officially withdrew from the race. His departure followed widespread calls from leading Democrats both within Maine and nationally, urging him to exit immediately after a significant report surfaced detailing an allegation of rape from a woman he had previously dated. While Platner denied the accusation, he ultimately stepped aside.

Although Jackson was among the prominent voices who promptly urged Platner to withdraw following the rape allegation, he had previously campaigned with Platner and had advocated for him as the most suitable candidate to advance the progressive and populist agenda.

During a virtual town hall hosted by Our Revolution last week, Jackson addressed supporters of Platner, emphasizing, "This movement has always been bigger than one person. It's about taking on a system rigged against working people, fighting for ‘Medicare-for-all,’ strong unions, higher wages, reproductive freedom, and an economy where billionaires and corporations finally pay their fair share."

In the initial debate among candidates seeking to replace Platner last week, Jackson specifically referenced Platner's efforts, stating, "That's the thing that I think Graham did the best: talked about fighting against the health care industry and the prescription drug industry to make sure that people in this state and this country have affordable, quality health care."

Troy JacksonMaine Senate raceSusan CollinsDemocratic nominationGraham PlatnerOur RevolutionBernie Sandersprogressive platform

The latest