First, when does democracy have a dark side? Michael Mann says that majorities can and do oppress minorities in the name of majoritarian democracy. He is the author of The Dark Side of Democracy. [ dur: 15 mins. ]

* Michael Mann is Distinguished Professor of Sociology at UCLA. He is author of The Dark Side of Democracy: Explaining Ethnic Cleansing.

Then, what is consciousness? Is it just brain activity? and how does it differ from the subconscious? [ dur: 43 mins. ]

* Valerie Gray Hardcastle is Professor of Philosophy, Psychology, and Psychiatry & Behavioral Neuroscience at the University of Cincinnati. She is the author of Locating Consciousness, The Myth of Pain, How to Build a Theory in Cognitive Science, and Constructing the Self.

* Dr. Rocco J. Gennaro is the Philosophy Department Chairperson and a Professor of Philosophy at the University of Southern Indiana. He is the author of Consciousness, The Consciousness Paradox: Consciousness, Concepts, and Higher-Order Thoughts, and is the editor of the anthology Theories of Consciousness and Psychopathology and the Routledge Handbook of Consciousness.

* Hakwan Lau is Professor in the Department of Psychology (Cognitive & Behavioral Neuroscience) & Brain Research Institute at UCLA. His numerous research papers include What is consciousness, and could machines have it? Should a few null findings falsify prefrontal theories of consciousness? and Heuristic use of perceptual evidence leads to dissociation between performance and metacognitive sensitivity.

This program is produced with contribution from following volunteers Ankine Aghassian, Melissa Chiprin, Anaïs Amin, Tim Page, Mike Hurst and Sudd Dongre.