Nearly three decades after Princess Diana's death, her brother Earl Spencer has stepped forward with a memoir carrying a claim that cuts to the heart of royal grief and private power: that King Charles, in a moment of anger, suggested the world would forget Diana soon enough. The palace has responded with unusual directness, not denying the words outright but questioning whether sorrow itself can reshape what we remember. At stake is something older than any institution — the fragile, contested nature of memory, and who gets to be believed when no recording exists and the wound is still open.