Prince Harry is refusing to do fresh interviews to promote his autobiography due to key details in his contract, according to a friend of the royal. The Duke of Sussex’s memoir Spare was released in January 2023 and contained multiple attacks on the Royal Family. This week it was announced that the paperback version of the book would contain no additional chapters. The release date for the paperback version in October clashes with King Charles and Queen Camilla’s trip to Samoa. However, Harry has decided not to do any additional interviews ahead of the October release date. A friend of the Duk…