By Rebecca Leber and Andrew Breiner on January 6, 2014
A political network linked to conservative billionaires Charles and David Koch raised $407 million in the last presidential election.
By Josh Israel on November 14, 2013
Americans for Prosperity, the tax-exempt conservative political organization created by oil billionaires David and Charles Koch, spent more in 2012 than in all previous years combined.
By Brad Johnson, Guest Blogger on May 20, 2013
Want daily updates on important issues? Subscribe to
By Alyssa Rosenberg on May 20, 2013
By Annie-Rose Strasser on April 21, 2013
By Brad Johnson, Guest Blogger on November 2, 2012
By Rebecca Leber on October 31, 2012
By Ian Millhiser on September 25, 2012
By Ian Millhiser on August 30, 2012
By Scott Keyes on August 9, 2012