This country’s nuclear arsenal is “geriatric.” And many of the people who maintain it are heading towards retirement. Worrisome– if you believe, as the U.S. does, that nuclear deterrence keeps us safe. Colorado science writer Sarah Scoles examines the future of nuclear defense in her new book, “Countdown.” She spoke with Ryan Warner at the Center for the Arts in Crested Butte during the Mountain Words Festival in May.
