In this episode, Xavier Bonilla has a dialogue with Spencer Case about extremism and morality. They discuss his background, how he got into philosophy, and leaving Mormonism. They define moral extremism and discuss it as a vice and detriment of character. They discuss the role of moral emotions with extremism and the differences between absolute and relative morals. They engage on character and intention as important to moral extremism and provide examples from the prohibition era and from past historical figures. They also stress the need for compassion in correcting moral extremism and many other topics. 
Spencer Case holds a PhD in Philosophy from the University of Colorado at Boulder. Currently, he is an international research fellow at Wuhan University in Wuhan, China. His main research interesting are in meta ethics, normative theory, and moral realism. You can find links to his published papers and popular articles at his website. Twitter: @spencerjaycase