Regional Roundup: Historic animals of the Mountain West

This week on the Regional Roundup, we hear an interview with the author of a new book, "The Western Horse: A Popular History of the Wild and Working Animal" by RMCR. We also hear a feature on the Churro sheep and its significance to the Navajo Nation, from the archives at KSJD/KSUT. Plus, a feature on Trumpeter swans in Wyoming, by KHOL. And an interview with the author of "Why Animals Talk: The New Science of Animal Communication" by KGNU.