| UPDATED: 08:06, Sun, Mar 7, 2021 Link copied Sign up for FREE now and never miss the top Royal stories again. SUBSCRIBE Invalid email When you subscribe we will use the information you provide to send you these newsletters. Sometimes they'll include recommendations for other related newsletters or services we offer. Our Privacy Notice explains more about how we use your data, and your rights. You can unsubscribe at any time. The Duke of Cornwall is far more concerned about his father's condition, than he is about Meghan and Harry's forthcoming interview with Oprah Winfrey. A source told the Mail on Sunday: "He is a man who feels emotions keenly and is far more concerned about the Duke of Edinburgh than whatever Oprah Winfrey is up to in California." The Oprah interview will be aired this Sunday on CBS in the US, before being broadcast in the UK by ITV on Monday evening.