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Mainstream is one of the most effective political organizations in the Northwest and a powerful voice for common sense solutions.

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Mainstream is one of the most effective political organizations in the Northwest and a powerful voice for common sense solutions.

The Lifetime achievement award for 2019 goes to business legend George H. Weyerhaeuser, the former CEO of the company that bears his family name.

See some examples of Mainstream's independent expenditure campaigns on behalf of endorsed candidates.