Janet Mills, the two-term Democratic governor of Maine, announced Tuesday that she was running for Senate, aiming to unseat Sen. Susan Collins, who is widely seen as the country's most vulnerable Senate Republican incumbent on the ballot in 2026.

Mills, who is term-limited, had been heavily recruited for months by Sen. Chuck Schumer of New York, the Democratic leader, who was eager to find a proven winner to take on Collins.

Collins, 72, is a rare Republican to survive in recent years in a Democratic-leaning state and is seeking her sixth term.

The Maine Senate race begins as the Democratic Party's top pickup opportunity in 2026, with Collins the lone Republican up for reelection in a state that Donald Trump lost in 2024.

Mills, 77, will find herself navigating a crowded primary, inclu

See Full Page