Democratic mega-donor and billionaire environmentalist Tom Steyer defends his $20M ad campaign calling for Congress to impeach President Trump

Democratic mega-donor and billionaire environmentalist Tom Steyer defends his $20M ad campaign calling for Congress to impeach President Trump https://t.co/XHleXNbH4g pic.twitter.com/7unvQc9hoJ

— CNN (@CNN) November 26, 2017