Spare us, spare them, and spare yourself, Harry. “Spare,” Prince Harry’s revenge on his family, the media, the horsey older woman who deflowered him in a field behind a busy pub and anyone who has ever treated him as the spare to Prince William’s heir, is literary self-harm. Every time Harry Plotter the half-wit prince puts the knife into his brother, the fumbling assassin falls on his own blade. Call it Harry-kiri. Harry has already rejected his homeland and attacked his people. He has slandered the House of Windsor as institutionally racist. He has, as his Netflix exposé showed, lost...