Ed Winters ("Earthling Ed") is a vegan educator, best-selling author, public speaker and content creator, widely known for his viral debates, speeches, and video essays. Ed was on the Cosmic Skeptic Podcast in 2019, making him the first guest to appear for a second time. He and Alex discuss the definition and nature of veganism, the limits of "practicability", the ethics of unnecessary vegan food, and much more.

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Released on April 1st, this podcast details Alex's conversion to Christianity, a position he defends against the criticisms of Stephen Woodford (Rationality Rules).

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Dr. Alex Hershaft is a Holocaust survivor, animal rights activist, and co-founder and president of the Farm Animal Rights Movement (FARM). He has previously had a 30-year career in materials science, and holds a PHD in inorganic chemistry. Dr. Hershaft speaks to Alex about his experiences in the Holocaust, and how they inspired the work he does today.

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Michael J. Sandel is an American political philosopher, and Professor of Government Theory at Harvard University Law School. His public lectures have been viewed by tens of millions of people around the world, including in China, where Sandel was named the "most influential foreign figure of the year". Dr. Sandel talks to Alex about his new book, The Tyranny of Merit, discussing not just whether meritocracy is achievable in practice, but also whether it is even something we should aim for at all, highlighting the wealth of potential damage that meritocracy can affect on a society which embraces it.

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William Lane Craig is an American philosopher and Christian theologian. He holds two PHDs in philosophy and theology, and is a professor of philosophy at both Houston Baptist University and Talbot School of Theology at Biola University. Dr. Craig is arguably the world's most famous Christian apologist, and often cited as its most effective public defender. He has taken part in high-profile debates with Christopher Hitchens, Richard Dawkins, Sam Harris, and Anthony Flew, among others. Dr. Craig is the man who gave the kalam cosmological argument its name, and he speaks to Alex in this episode about that argument, and answers a number of objections to it.

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Joey Carbstrong is an Australian animal rights activist and vegan. Formerly a criminal, Joey turned his life around and now campaigns for animals, his views having been widely syndicated across various platforms including national television, radio, and his own highly popular YouTube channel. Joey speaks to Alex about how to advocate for veganism, and whether the forthright methods employed by many activists does more harm than good. Should vegans calm down?

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Professor David Benatar is a South African philosopher, academic and author, and head of the philosophy department at the University of Cape Town in South Africa. He is best known for his defence of antinatalism, the view that it is immoral to have children (though more specifically, to bring new sentient beings into existence). Professor Benatar speaks to Alex about the asymmetry of pleasure and pain, and the two debate whether being anti-birth commits one to being pro-death.

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Douglas Murray is a British conservative author and journalist, and associate editor of The Spectator. In 2017 Murray wrote The Strange Death of Europe, taking on the issue of the global immigration crisis, and now he returns with The Madness of Crowds, a book about identitarianism in four areas: 'gay', 'women', 'race' and 'trans'. Douglas speaks to Alex about the logic of reparations and a retributive approach to historical injustice, as well as the nature of gender, and the advocacy tactics of the LGBT community.

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Richard Dawkins is the world-famous evolutionary biologist, New York Times bestselling science writer, emeritus fellow of New College, Oxford, and previously Oxford University's Professor for Public Understanding of Science. Dawkins rose to prominence after his 1976 publication The Selfish Gene, which introduced the term 'meme' and began a series of highly popular books including the Blind Watchmaker, The God Delusion, and, most recently, Outgrowing God.

Professor Dawkins speaks to Alex about the meaning of atheism, the labelling of children as 'atheists', the evolutionary and social bases of morality, and the usefulness of theology as a discipline.

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Ed Winters, known online as Earthling Ed, is a vegan educator and public speaker, co-founder and co-director of Surge, which founded the annual Official Animal Rights March, producer of the documentary Land of Hope and Glory, and my most requested podcast guest to date.

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