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Pro-Collins ads target wrong Portland in GOP super PAC mix-up

The vendor said it was 100% its mistake and refunded the PAC after the ads ran more than 1 million times in the wrong Portland.

  • On Monday, the Defending Main Street SuperPAC mistakenly targeted voters in Portland, Oregon, with attack ads meant for Portland, Maine, creating an embarrassing mix-up in audience selection.
  • Affiliated with the Republican Main Street Partnership, the group launched the campaign to attack Maine Democratic Senate nominee Troy Jackson over taxes, describing itself as the most effective independent expenditure organization supporting the governing wing of the Republican Party.
  • Google data shows the ad appeared more than 1 million times in Oregon, costing the PAC between $20,000 and $25,000, after an X user first reported seeing multiple anti-Jackson ads.
  • Sarah Chamberlain, CEO of the Republican Main Street Partnership, said she was "absolutely furious" about the ad buyer's mistake; the ad was pulled in Oregon and the PAC received a refund.
  • The high-profile race between Jackson and incumbent Sen. Susan Collins remains tight with recent polls showing a slim edge, as Maine has become one of the top locations for political spending this cycle.
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Newsweek broke the news in New York, United States on Monday, October 12, 2026.
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