Mikhail Prokhorov and three Russian biathletes who were banned from competition want to force doping whistleblower Grigory Rodchenkov to testify under oath.
Robert Windrem, NBC News: Nation
Tue, 02/20/2018 - 3:00pm
Mikhail Prokhorov and three Russian biathletes who were banned from competition want to force doping whistleblower Grigory Rodchenkov to testify under oath.