How does someone get radicalized? What do political scientists see as the building blocks of political violence? Is there anything we can do to stop radicalization? One year after the insurrection on January 6, 2021, Vox policy reporter Jerusalem Demsas talks with Peter Neumann, a professor of security studies at King’s College in London, to answer these questions.  References: Vox’s Zack Beauchamp on where the crisis in American democracy might be headed Peter Neumann’s paper: The trouble with radicalization A Q&A with a French philosopher about the fear of replacement within white nationalism Colin Clarke writes for Politico on what happened after January 6 Northwestern University research about the perceived threat of a racial demographic shift in the US Hosts: Jerusalem Demsas (@jerusalemdemsas), policy reporter, Vox Credits: Sofi LaLonde, producer and engineer Libby Nelson, editorial adviser Amber Hall, deputy editorial director of talk podcasts Sign up for The Weeds newsletter each Friday: vox.com/weedsletter  Want to support The Weeds? Please consider making a donation to Vox: bit.ly/givepodcasts Learn more about your ad choices. Visit podcastchoices.com/adchoices