tt3762912 Released 04/11/2021 01:59:09 AM false Controversial hedge fund titan Bill Ackman is on a crusade to expose global nutritional giant Herbalife as the largest pyramid scheme in history while Herbalife execs claim Ackman is a market manipulator out to bankrupt them and make a killing off his billion dollar short. Betting on Zero 7.2 2017 104 tt3762912 Documentary