If you hear a sudden yelp from your spouse in the next room, chances are you’re about to be called to squash a bug. But what if, instead, you made a moral case for cohabitating with creepy crawlers? John Hainze, an entomologist and ethicist with Seattle University Center for Environmental Justice and Sustainability,joins host Krys Boyd to talk about his evolution from pesticide designer to insect advocate. His new book is “Nature Underfoot: Living with Beetles, Crabgrass, Fruit Flies, and Tiny Life All Around Us.”