In one of the most beloved "SVU" episodes (a season finale), Benson and Stabler look for a particular killer. "Use common sense," says one. "If you hear hooves, and you're wondering if it's a horse or a zebra....it's likely not a zebra." But, in fact, this case involves a zebra: The killer is someone *within* SVU. Once that batshit revelation occurs, the episode spirals into lunacy. It's campy and fun. A similar energy seems to animate "Duty to Hope," our newest season finale. The writers establish certain rhythms--then (again and again) they find a way to be shocking. We begin with Olivia leading a conference. She is in command. This is disrupted when a crazy new DA arrives; she hijacks the meeting and makes a flashy display of her incompetence. Delightful. Next, Fin carries out a bag of trash--and we hear, "Stop! Freeze, or I'll shoot!" A child is pointing a gun at him. This child is like the "second coming...