Frances Kamm gives a talk called "How Was the Trolley Turned?" which is the second in a series of lectures on the Trolley Problem called "The Trolley Problem Mysteries: May We Harm Some to Save Others?". This was part of the Tanner Lecture Series given at Berkeley in 2013 with commentary by Thomas Hurka and Shelly Kagan. Note, the introductions for all the speakers have been edited out. Frances Kamm is a distinguished philosopher whose work focuses on normative and applied ethics. More particularly, her research has taken up issues in nonconsequentialist ethical theory and the moral problems of mortality, bioethics, torture and war. Her writings deftly engage both the theoretical aspects of morality and their practical applications, probing the structure of the moral realm through rigorous reflection on ingenious hypothetical cases and thought experiments. 00:00 Frances Kamm's Lecture 1:00:01 Tom Hurka 1:17:08 Shelly Kagan 1:34:45 Response 1:42:26 Q&A #philosophy #ethics #moralphilosophy