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Hoping to unseat Collins, Maine Democrats battle it out in an expensive U.S. Senate primary

03:21
Combat veteran and oyster farmer Graham Platner in Sullivan, Maine, in 2025; Maine Gov. Janet Mills in National Harbor, Md., in 2023. Both Platner and Mills are Democrats vying to defeat Sen. Susan Collins, who is running for a sixth consecutive term in Maine.
Combat veteran and oyster farmer Graham Platner in Sullivan, Maine, in 2025; Maine Gov. Janet Mills in National Harbor, Md., in 2023. Both Platner and Mills are Democrats vying to defeat Sen. Susan Collins, who is running for a sixth consecutive term in Maine.

This article was originally published on March 26, 2026.

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