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Maine Governor Mills to Challenge Collins for Senate

10/10/2025

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Summary

Story summary

Maine Governor Janet Mills is expected to announce a candidacy for the U.S. Senate on Tuesday to challenge Republican Senator Susan Collins in the 2026 elections.
She is term-limited as governor.
Mills joins a Democratic primary field that includes Graham Platner, Dan Kleban, and Jordan Wood.
Polls show 71% of Mainers think Susan Collins should not seek another term.
Collins faces potential challenges amid shifting public sentiment.

History

Historical Context

In the 2018 midterm elections, Democrats gained significant ground, winning 40 House seats and regaining control for the first time since 2010. Senator Angus King secured re-election in Maine with 54% of the vote, while Governor Janet Mills prepares to challenge incumbent Susan Collins in 2026, amid declining support for Collins, as 71% of Mainers oppose her re-election bid.

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Story summary

Maine Governor Janet Mills is expected to announce a candidacy for the U.S. Senate on Tuesday to challenge Republican Senator Susan Collins in the 2026 elections.
She is term-limited as governor.
Mills joins a Democratic primary field that includes Graham Platner, Dan Kleban, and Jordan Wood.
Polls show 71% of Mainers think Susan Collins should not seek another term.
Collins faces potential challenges amid shifting public sentiment.

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