Oprah Winfrey is the highest ranked TV talk show host in history, and every day millions of Americans tune in to The Oprah Winfrey Show. There is much to admire about her, including the philanthropic efforts of her various charities. She is deeply respected by her many viewers, and was able to become one of the most well-known media magnates despite a difficult childhood. A 2004 study concluded that the “Oprah effect” of her endorsement of... > Full Story