Bill Ackman's Battle with Herbalife Hits the Screen with 'Betting on Zero'

As the film 'Betting on Zero' debuted at the Tribeca Film Festival, director Ted Braun said the documentary has a 'lot of grey area.' The film depicts the public battle between hedge fund manager Bill Ackman and the company Herbalife (HLF) - Get Report , in which he holds a large short position.