https://www.huffingtonpost.com/entry/koch-paysout-to-ryan-after-taxlaw_us_5a63ce41e4b0dc592a09697c
"Just days after the House passed its version of the federal tax law slashing corporate tax rates, House Speaker Paul Ryan collected nearly $500,000 in campaign contributions from billionaire energy mogul Charles Koch and his wife, according to a recent campaign donor report. Koch and his brother David spent millions of dollars to get the tax law passed and are spending millions more in a public relations campaign in an attempt to boost support for the law, The Wall Street Journal reported."