Sarah Whalen, author of “Royal Vengeance: The Assassination of Princess Diana and the Ancient Royal Cult of Human Sacrifice,” discusses her book with publisher RA “Kris” Millegan. Kingship is strong in humanity, summoning all kinds of esoteric elements, and royal sacrifice is an ancient practice, back to the Greek and Roman gods and goddesses and beyond. The Kennedy assassination seems to have been “the killing of the king,” to take his power and traumatize the nation. (Read the Foreword for free here.)