Gold, M. (2015). Koch-Backed Network Aims to Spend Nearly $1 Billion in Run-Up to 2016. Washington Post.
http://www.washingtonpost.com/politics/koch-backed-network-aims-to-spend-nearly-1-billion-on-2016-elections/2015/01/26/77a44654-a513-11e4-a06b-9df2002b86a0_story.html

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