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● InformationalElections / Campaigns

Democrat Graham Platner will try to unseat GOP Sen. Susan Collins in a critical Senate matchup

Collins was unopposed in the Republican primary and is preparing to face Platner in November.

Democrat Graham Platner will try to unseat GOP Sen. Susan Collins in a critical Senate matchup
Image · https://www.wcax.com

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Jun 9, 2026
tl;dr

Graham Platner won Maine’s Democratic Senate primary and will face Republican Sen. Susan Collins in November. The race is a closely watched opportunity for Democrats to try to flip a Republican-held seat.

Community verdict

VOTING CLOSED
How does this story look for
Susan M. Collins R · ME · SEN
NOT RATEDCLOSED

No good or bad look here

This story reports what happened without casting Collins in a good or bad light, so readers don’t rate it and it doesn’t count toward Collins’s record.

● INFORMATIONAL

People in this story

SWIPE →
Susan M. Collins
R · ME · SEN

Republican senator and Platner’s general-election opponent

PRIMARY SUBJECT

Democratic Senate nominee challenging Susan Collins

Platner's version of this story ↗
Nirav Shah
D · ME

Democratic gubernatorial candidate and former Maine CDC director

Former governor and Republican candidate for Maine’s 2nd Congressional District

Donald Trump
R · President of the United States

President and a point of comparison in a voter’s comment

Democratic candidate in Maine’s 2nd Congressional District primary

Democratic gubernatorial candidate

Bernie Sanders
I · VT · SEN

Senator who supported Platner early in his campaign

State senator and Democratic candidate in Maine’s 2nd Congressional District primary

Democratic candidate in Maine’s 2nd Congressional District primary

Kamala Harris
Former U.S. Senator (D-CA)

Democratic presidential candidate in the 2024 election

Democratic gubernatorial candidate and former Maine Senate president

Paige Loud
D · ME

Democratic candidate in Maine’s 2nd Congressional District primary

Maine governor and former Democratic Senate candidate

ALSO MENTIONED  Angus King III, Energy executive and Democratic gubernatorial candidate; Ben Midgley, Business owner and Republican gubernatorial candidate; Bobby Charles, Republican gubernatorial candidate; David Jones, Business owner and Republican gubernatorial candidate; Garrett Mason, Former Maine Senate majority leader and Republican gubernatorial candidate; Hannah Pingree, Democratic gubernatorial candidate and former Maine House speaker; Jonathan Bush, Healthcare executive and Republican gubernatorial candidate; Owen McCarthy, University of Maine System trustee and Republican gubernatorial candidate; Robert Wessels, Former Paris, Maine, selectman and Republican gubernatorial candidate

Part of a bigger story

26 OUTLETS
Graham Platner Wins Maine Democratic Senate Primary

Graham Platner won Maine’s Democratic Senate primary, setting up a general-election contest against Republican Sen. Susan Collins. Left-leaning outlets frame Platner as an outsider challenging Collins’s establishment ties and consider his chances despite campaign controversy. Center outlets present a high-stakes matchup, covering its implications for Senate control alongside scrutiny of Platner’s past. Right-leaning outlets emphasize Platner’s vulnerabilities and how Collins might campaign against him.

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