Charles Koch Pushes Back in Op-Ed. By Rush Limbaugh. RushLimbaugh.com, April 3, 2014.
Is Charles Koch Un-American? Let Thomas Jefferson Decide. By Richard (RJ) Eskow. The Huffington Post, April 4, 2014.
I have devoted most of my life to understanding the principles that enable people to improve their lives. It is those principles—the principles of a free society—that have shaped my life, my family, our company and America itself.