We kick off the second season of NHPR's newest show, Outside/In, with a discussion of biological control: using non-native species to combat destructive invasive pests and plants that are decimating a local species. It's the focus of the Outside/In episode titled "Never Bring a Sledgehammer to a Scalpel Fight." This approach to managing invasive species, used by scientists for over a century, has had some spectacular failures, but there have been many success stories as well. We'll look at the