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What Is Icahn Thinking?

Friday, 15 Feb 2013 | 9:02 AM ET

Carl Icahn now has a 13 percent stake in Herbalife. How great will Icahn's Herbalife gain be compared to Bill Ackman's Herbalife pain? Or will the tables turn? CNBC's David Faber, Carl Quintanilla and Melissa Lee discuss.