Jan 28, 2015
The brothers vow to raise nearly a billion dollars from a few hundred people.
Jan 27, 2015
They are funding a network of political groups gearing up to influence election.
Dec 9, 2014
Their new investment could make the Kochs more powerful than the RNC or DNC.
Sep 5, 2014
Kai Ryssdal talks to Ken Vogel about his book "Big Money."