Show featuring Katie Fallon, author of “Cerulean Blues: A Personal Search for a Vanishing Songbird,” by Ruka Press. Katie discusses the plight of the Cerulean Warbler, a beautiful blue warbler that is declining rapidly. Katie went to South America to visit the birds’ winter habitat. She discusses in this interview the various challenges the birds face on their winter and summer homes, as well as on their migration routes. She also tackles mountaintop removal mining in West Virginia and encourages consumers to drink shade-grown coffee.