It’s common knowledge that self-made billionaire Oprah Winfrey, who sits atop the latest Forbes Celebrity 100 power list, is both kingmaker and rainmaker. She helped to change the political calculus of the race for President, early on throwing her weight behind Candidate Obama. As a media personality she wields her influence as a sort of magic wand, creating instant winners in the marketplace. For more on the industry behind her show’s guest list…Continue