 My guest is Nicola Twilley, co-host of the podcast Gastropod and author of Frostbite, How Refrigeration Changed Our Food, Our Planet and Ourselves. We'll be right back. While researching extremism, Nafis Hamid realized his very own friend had become radicalized. QAnon gave him a bad guy. It gave him a bad guy that could just be responsible for all the world's problems.