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The newest dark money power player: American Action Network

As Republicans aim to win control of Congress, a new group of GOP veterans is pioneering how to exploit weak campaign finance rules and sway elections.

David Jolly is interviewed after winning a special congressional election on March 11, 2014 in St. Petersburg, Fla.
David Jolly is interviewed after winning a special congressional election on March 11, 2014 in St. Petersburg, Fla.ZUMAPRESS.com

Zachary Roth