ROCKPORT, Maine — Ending months of speculation, Sen. Susan Collins, R-Maine, announced Friday she will forgo a run for governor to stay in the Senate, where she has become a crucial swing vote in Republicans’ narrow two-seat majority.
“I want to continue to play a key role in advancing policies,” Collins said at a Chamber of Commerce breakfast at a golf resort here. “I have concluded that the best way that I can contribute to these priorities is to remain a member of the United States Senate."
Collins, one of the few remaining moderate Republicans in Washington, has long been viewed as an independent voice and a check on her party’s right flank, including President Donald Trump.
She provided one of the three GOP votes to kill her party’s Affordable Care Act repeal effort, which she criticized Friday.
U.S. Senator Susan Collins (R-ME) speaks during an interview in her office on Capitol Hill in Washington, U.S., July 24, 2017. REUTERS/Aaron P. Bernstein
U.S. Senator Susan Collins, R, (R-ME), talks with Senator Dean Heller, L, (R-NV) during a meeting held by President Donald Trump on healthcare in the East Room of the White House in Washington, U.S., June 27, 2017. REUTERS/Kevin Lamarque
Maine Republican Senator Susan Collins listens as U.S. President Donald Trump speaks during a meeting with Senate Republicans about healthcare in the East Room of the White House in Washington, U.S., June 27, 2017. REUTERS/Kevin Lamarque
U.S. Senator Susan Collins (R-ME) talks to reporters as she leaves a meeting of the Senate Republican caucus to unveiling of Senate Republicans' revamped proposal to replace Obamacare health care legislation at the U.S. Capitol in Washington, U.S. July 13, 2017. REUTERS/Carlos Barria
Senators Susan Collins (R-ME) and Lamar Alexander (RTN) make their way to the Senate chamber to vote on a series of amendments on the bill to authorize the Keystone XL pipeline on Capitol Hill in Washington January 21, 2015. REUTERS/Joshua Roberts (UNITED STATES - Tags: POLITICS ENERGY ENVIRONMENT)
Senator Susan Collins (R-ME) speaks at a news conference with a bipartisan group of senators on Capitol Hill in Washington, D.C., U.S., to unveil a compromise proposal on gun control measures, June 21, 2016. REUTERS/Yuri Gripas
Senators Marco Rubio (R-FL) (L), Susan Collins (R-ME) (R) and Dianne Feinstein (D-CA) (rear) arrive for former FBI Director James Comey's appearance before a Senate Intelligence Committee hearing on Russia's alleged interference in the 2016 U.S. presidential election on Capitol Hill in Washington, U.S., June 8, 2017. REUTERS/Jim Bourg
U.S. Senator Susan Collins (R-ME) (L) and Secretary of Education Betsy DeVos are seated next to each other as they attend first lady Melania Trump's International Women's Day luncheon in the State Dining Room at the White House in Washington, U.S. March 8, 2017. Collins was one of just two Republican senators to vote against DeVos's confirmation. REUTERS/Jonathan Ernst
U.S. President Donald Trump meets with Senate Republicans about healthcare in the East Room of the White House in Washington, U.S., June 27, 2017. Trump is flanked by Senators Susan Collins, L, (R-ME) and Sen. Lisa Murkowski, R, (R-AK). REUTERS/Kevin Lamarque
SCARBOROUGH, ME - JULY 21: U.S. Sen. Susan Collins (R) speaks during a one-on-one interview with a Portland Press Herald reporter on Friday, July 21, 2017, after a tour of the Maine Medical Research Center in Scarborough. (Staff photo by Ben McCanna/Portland Press Herald via Getty Images)
WASHINGTON, DC - JUNE 14: Senator Susan Collins (R-ME) greets actor, director, and writer Ryan Phillippe prior to the Senate Special Committee on Aging hearing on 'Military Caregivers: Families Serving for the Long Run' on June 14, 2017 in Washington, DC. (Photo by Leigh Vogel/Getty Images)
WASHINGTON, USA - June 8: (From L to T) U.S. Senators Marco Rubio, Dianne Feinstein, and Susan Collins talk as they wait for former FBI Director James Comey to testify before the Senate Intelligence Committee on Russian Interference in the 2016 Election in Washington, United States on June 8, 2017. (Photo by Samuel Corum/Anadolu Agency/Getty Images)
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She chided her party for bypassing the normal legislative process to draft their health care plan behind closed doors — “by the way, it was 13 men who did it,” said the pro-choice Republican. Collins also called the last-ditch Graham-Cassidy repeal bill “a very bad bill for the state of Maine."
“Republican leaders made the same mistake Democrats made in passing the ACA without a single Republican vote,” Collins said.
Collins’ departure would have dramatically reshaped the Senate, and Washington more generally, while also upending Maine’s 2018 gubernatorial race.
She’s proud of having never missed a vote in her 20 years in the Senate, and said her seniority in the chamber was too important to give up.
Collins had been agonizing over the decision for months, but now joins a long list of senators who have made high-profile gubernatorial considerations, only to swerve at the last minute.
The senator will serve out the remainder of her term, which ends in 2020, but made no announcement about whether she will run for reelection.
Both of Collins’ parents served as mayors of her hometown, and she is a proud heir to the long tradition of moderate New England Republicanism.
But both in Maine and nationally, the party has shifted away from Collins. There is no love lost between her and Trump, nor her and Maine’s bomb-throwing GOP governor, Paul LePage.
“She has a strong commitment to the Republican Party not being the party of Trump and LePage,” said Amy Fried, the chair of the political science department at the University of Maine.
Many political observers think that Collins, despite her popularity in Maine, would have had a hard time winning a GOP primary. The party’s current frontrunner is an ally of LePage, who is term-limited and cannot run again.
“I do firmly believe deep down in my heart that Susan Collins, in order to become governor of the state of Maine, will have to run as an independent,” LePage told Portland radio station WGAN in August, adding that she would be “highly unlikely to win a Republican primary.”
Collins told reporters Friday she was confident in her ability to win as a Republican and that she never seriously considered running for governor as an independent. She made her final decision Wednesday, Collins added.
“I’m often a bridge between the two sides," she said. "So I like playing that role, and there seemed to be fewer and fewer senators who enjoy playing that role.”