The Pledge, Stem Cell Fraud, The Sport of Kings - S44.E49

"The Pledge" rebroadcasts a profile of conservative anti-tax activist Grover Norquist. "Stem Cell Fraud" rebroadcasts an investigation into a doctor who falsely claims he can use stem cells to treat cerebral palsy. "The Sport of Kings" rebroadcasts a look at polo and efforts to make it popular in the United States.