Bill Ackman's bet against Herbalife was 'dangerous,' CNBC's Scott Wapner says By: CNBC.com News April 25, 2018 at 18:44 PM EDT Jim Cramer and Scott Wapner discuss Wapner's new book about the epic battle between investing legends Carl Icahn and Bill Ackman. Read More >> Related Stocks: Herbalife Ltd