The inside story of the clash of two of Wall Street's biggest, richest, toughest, most aggressive players -- Carl Icahn and Bill Ackman -- and Herbalife, the company caught in the middle With their billions of dollars and their business savvy, activist investors Carl Icahn and Bill Ackman have the ability to move markets with the flick of a wrist. But what happens when they run into the one thing in business they can't control: each...