The Power of Horses to Heal Us Guest: Tim Hayes, equine-therapy expert, Natural Horsemanship Clinician, and author, "Riding Home: The Power of Horses to Heal" Developing relationships with horses has an incredible power to change, inspire, and heal us. Saving Sherman Guest: Christopher McDougall, author, "Born to Run," "Natural Born Heroes," and his new book, "Running with Sherman" An abused and neglected donkey gets a new life as a long-distance runner. Sundance Film Festival Host Marcus Smith and producer Tennery Taylor discuss the Sundance Film Festival. Baseball and the American City Guest: Paul Goldberger, author, "Ballpark: Baseball in the American City" Baseball parks and the structures that surround them offer us a window to understanding the evolution of American cities and our attitudes towards them.  What Does It Take to Create a Monument? Quite A Lot, Actually Guest: Tracy Campbell, E. Vernon Smith and Eloise C. Smith Professor of American History, University of Kentucky The history of the Gateway Arch involves a stolen election, never-before-done architectural tricks (How DO you run an elevator through an arch?), and a brash architect looking for glory.