Following her interview with the Duke and Duchess of Sussex, many are praising Oprah Winfrey for her relentless follow-up questions, compassionate demeanour, and focused skill in eliciting bombshell after bombshell. In addition, recent interviews with the Obamas, Joe Biden, among others, has situated Oprah as arguably the best celebrity interviewer ever. Margaret Sullivan says that journalists can learn from Oprah, particularly her ability to…