Polling Average
60%50%40%30%20%10%0%
52.0%
35.6%
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$3.0M
JUN 10, 2026Primary Election
Party selects its nominee.
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source: Kalshi
Outside groups are escalating the fight in Maine’s Democratic Senate primary, with a Republican-aligned PAC spending nearly $2 million on ads attacking frontrunner Graham Platner over past controversies. Despite the attacks, multiple reports still describe Platner as leading Gov. Janet Mills in early polling. Barney Frank also publicly backed Mills, while Platner shared personal news about a recent miscarriage. Heavy outside spending attacking Platner could create downside risk for him, even as polling still shows him leading. Frank’s endorsement may modestly help Mills, but the overall picture looks mixed.
Pine Tree Results PAC has dumped $2 million to attack Democrat Graham Platner, focusing on his controversial tattoo and internet posts.
Pine Tree Results' ad buy highlights Platner's old internet comments about sexual assault, lobstermen and rural white Americans.
The party cannot be so confident in its righteousness that it neglects to offer an appealing alternative to for voters.
If you're disappointed come June, you had better get over it by November.
Maine Senate candidate Graham Platner holds a dominant polling lead over Gov Janet Mills ahead of the June primary.
The U.S. Senate candidate and his wife, Amy Gertner, had traveled to Norway for fertility treatments.
Warren told CNBC that Platner, under fire for multiple controversies, has apologized and voters can evaluate him as they see fit.
The independent senator from Vermont says top Democrats should tell candidates they will otherwise lose access to party resources.
Two Democrats vying to oust Collins led the five-term Republican in hypothetical November matchups, a recent poll found.
Platner is challenging Gov. Janet Mills for his party’s nomination, with polls handing him a commanding lead ahead of the June 9 primary.
Aggregation source: FiftyPlusOne
Reproductive Freedom for All
Reproductive Freedom for All endorsed Janet Mills in the Democratic primary for U.S. Senate in Maine.
Chuck Schumer
Chuck Schumer endorsed Janet Mills for U.S. Senate in Maine, calling her the best candidate to defeat Susan Collins.
G. PlatnerGraham PlatnerJ. MillsJanet Mills
J. WoodJordan Wood
J. GoldenJared Golden
D. KlebanDan Kleban
C. PingreeChellie PingreeSource: FEC
