Cyber-Security risks to nuclear reactors, near-misses with Three Mile Island Alert's Scott Portzline. And a memorial on the passing of Chernobyl's fearless science-warrior, Dr. Alexei Yablakov. His book, CHERNOBYL: Consequences of the Catastrophe for People and the Environement, scientifically proved and broke the silence surrounding the devastation created by that nuclear disaster. Nuclear Hotseat 291, produced and hosted by Libbe HaLevy.