www.rollingstone.com/politics/news/inside-the-koch-brothers-toxic-empire-20140924
"Their political network helped finance the Tea Party and powers today's GOP. Koch-affiliated organizations raised some $400 million during the 2012 election, and aim to spend another $290 million to elect Republicans in this year's midterms. So far in this cycle, Koch-backed entities have bought 44,000 political ads to boost Republican efforts to take back the Senate."
