The grand dame of television talk shows, Winfrey is a highly respected television host, actress, billionaire media magnate, and philanthropist. Early in her career, she hosted AM Chicago, which, following its early success, was renamed The Oprah Winfrey Show and expanded to a full-hour format. In the mid-1990s, Winfrey adopted a less tabloid-oriented format and began covering important social issues like abuse, addiction, and depression. Why did Texas cattlemen sue Oprah in 1998? Discuss