It’s going to take a lot more than an olive branch to fix this. Prince Harry’s sister-in-law, Kate Middleton, is reportedly “appalled” over the endless revelations the Duke of Sussex has detailed in his new memoir, “Spare.” The 38-year-old left no stone unturned as he lifted the veil on private conversations he’s had with just about every member of the royal family, including Princess Kate. “Kate feels that Harry’s actions are atrocious,” a source told Us Weekly of the Princess of Wales’s reaction to the bombshell book. “She is appalled at him for dragging her name through the dirt and...