Veterinarian Kate Hurley knows the staggering toll of the euthanasia of healthy cats in shelters. It's evidence, she argues, that the current sheltering model isn't working for cats, and needs to be changed. Picking up and euthanizing healthy feral and unowned cats doesn’t protect them, other pets, wildlife, or human health, nor does it help control feline overpopulation. But what should we be doing instead? Some shelters are starting to work on new approaches.