One of the most vulnerable Republican 2020 Senate incumbents is getting major air cover from a new super PAC designed to sound like a local group.
Politics 
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Who’s Behind the Mysterious PAC Dropping Huge Sums to Reelect Susan Collins?
PAY DIRT
From its TV spots to its digital ads to its financial backing, all signs point towards 1820 PAC’s involvement with the U.S. Chamber of Commerce.
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