Calgary Koch Network Spent Nearly $400 Million In 2015 | HuffPost - Action.News ABC Action News WestNet-HD Weather Traffic

David Koch arrives at the Metropolitan Museum of Art Costume Institute Gala Benefit in New York City, May 5, 2014.

Carlo Allegri/Reuters

The Koch brothers’ donor network spent close to $400 million last year, and is on its way to spending an unprecedented $889 million supporting right-wing politics and causes during the 2016 cycle.

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