Bill Ackman on Herbalife, Fannie, Air Products

Nov. 22 (Bloomberg) -- Bill Ackman, founder of Pershing Square Capital Management LP, talks about his claim that Herbalife Ltd. is operating an illegal pyramid scheme and his short position on the company's stock. Speaking with Stephanie Ruhle on Bloomberg Television's "Market Makers," Ackman also discusses Pershing's investment in Fannie Mae, Freddie Mac and Air Products & Chemicals Inc.

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