What Happens When Billionaires Bankroll American Politics?

In this photo taken Thursday, Aug. 20, 2015, billionaire Tom Steyer talks with reporters in Sacramento, Calif. Steyer, on Wednesday, announced joining an effort to raise California's cigarette tax
( AP Photo/Rich Pedroncelli )

Produced by Rob Gunther

Hosted by Amy Walter

Produced by PRI and WNYC