Ian Prinsloo former artistic director of Theatre Calgary examines how the rehearsal process can be used to map social systems and how, with this ability, we can explore the potential for change within overall systems. 

This week Mike Murtha, co-editor of 'The Forgotten Explorer: Samuel Prescott Fay's 1914 Expedition to the Northern Rockies' tells us about Samuel Fay, and the trip he took into this remote, little visited region.