We always knew how beneath the surface the rich and famous were just like the rest of us, but Spare has shown clearly that for all their wealth, privilege and power, the royals are too. For mere mortals looking in from the outside they seemed to have the gilded life that those born with a golden spoon should come to expect. But who would have thought the House of Windsor were even more riven with jealously, petty rivalries, spite, latent racism and bitterness than most? Prince Harry’s purported $20m book deal has unlocked the dark secrets of a family who...