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Maine Democratic Senate Primary

February 22 – March 19, 2026

The Bottom Line

Governor Janet Mills and combat veteran Graham Platner are facing off in the June 9 Democratic primary to see who will challenge Republican Senator Susan Collins. The race has become a fight over character and policy, with Mills attacking Platner for 2013 social media posts while Platner has secured a major endorsement from Senator Elizabeth Warren. This election will decide if Maine Democrats run a traditional governor or a populist outsider to try and win a seat that helps control the U.S. Senate.

Key Statements

TThe Boston Globe

Senator Elizabeth Warren endorses Graham Platner in the Maine primary, supporting the combat veteran against incumbent Governor Janet Mills ahead of the June 9 election.

This endorsement marks a significant shift in the race, showing high-level support for the challenger.

TThe Hill

Governor Janet Mills's campaign releases an attack ad targeting opponent Graham Platner over 2013 Reddit comments regarding sexual assault.

This highlights the primary's central conflict regarding the challenger's past conduct.

14 Articles

Scoop: Platner hits DC fundraiser, meets with House incumbents

AxiosCenter

Elizabeth Warren endorses Nazi-tattooed Graham Platner in high-stakes Maine Senate primary

Fox NewsRight

Warren Endorses Platner in Maine, Splitting With Schumer

The New York TimesCenter Left

Elizabeth Warren Makes Endorsement In Maine's Bruising Democratic Senate Primary

The Daily WireRight

Elizabeth Warren Endorses Graham Platner For Senate

HuffPostLeft

Warren endorses Platner in Maine Senate primary after Mills rips him for remarks on rape

Washington TimesCenter Right

Analysis generated by AI. Always verify with official sources.