David Koch in This Fight Is Our Fight, by Elizabeth Warren

On Energy & Oil: Funded $88M to groups that deny existence of climate change

The Koch brothers and their organizations poured more than $88 million into groups that deny the existence of climate change--that is, $88 million that anyone could count. Since 2006, there's been a huge surge in secret donations through opaque nonprofit organizations. One study turned up $558 million in secret donations made between 2003 and 2010 to groups denying climate change. In a perverse way, that makes perfect sense: when someone has dirty hands, why would they hold them up for all the world to see?

On Principles & Values: OpEd: Pressure incumbents by funding primary challengers

When the Kochs heard about Moran's statement, they quickly brought down their well-financed fist: if Moran did not change his position instantly, they would find another Republican to run against him in the his next primary and launch an all-out offensive from the right. Koch-funded groups then flooded Moran's office with tens of thousands of e-mails and distributed flyers at one of his local town hall meetings.

Moran assessed the threat and realized that even his very safe Kansas seat could be at risk. With head-snapping speed, he reversed his position.