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 )
( AP Photo/Rich Pedroncelli )
Produced by Rob Gunther
Hosted by Amy Walter