by Claudine Zap This week, two of the country's most visible women came under an unwelcome glare of publicity when some dirty little secrets got out in the open. Oprah Winfrey had to bear not being in control of her brand when a new and very unauthorized biography by Kitty Kelley came out. And Sarah Palin thought her diva-like demands outlined in a contract for a speaking gig would stay under wraps, but tell that to the Dumpster divers who dug it up.