One American in ten tells the other nine where to shop, what to buy...even how to vote. The Influentials tells who they are, and how they can be influenced.Who are they? The most influential Americans—the ones who tell their neighbors what to buy, which politicians to support, and where to vacation—are not necessarily the people you'd expect. They're not America's most affluent ten percent or best-educated ten percent. They're not the "early adopters," alw...