They're rich, they're powerful and they'll be in San Diego this weekend. The Koch brothers, billionaire oil barons who have given millions of dollars for conservative causes, are hosting another clandestine gathering tomorrow.
Charles and David Koch have given money to groups such as Americans for Prosperity and The Heritage Foundation.
Chief investigative reporter for Politico, Kenneth Vogel, joins the show to discuss the Koch Brothers' meetings and their potential influence in the 2012 presidential race.
Ken Vogel is an investigative reporter for Politico.