Guest columnist Cristen Williams is right about one thing: “Feral” cats are just like the cats who share our homes. That’s exactly why they do not deserve to be dumped on the streets to fend for themselves.

Cats who are left outdoors face daily battles against the elements, parasites, infections, deadly contagious diseases, speeding cars, predators on two legs and four, and more. Many die a decade sooner than they would if they had lived indoors—and their deaths are ...