A return to orality is frying our politics and our brains.This episode was produced by Peter Balonon-Rosen, edited by Jolie Myers and Amina Al-Sadi, fact-checked by Denise Guerra, engineered by Patrick Boyd and Andrea Kristinsdottir, and hosted by Sean Rameswaram.Listen to Today, Explained ad-free by becoming a Vox Member: vox.com/members. Transcript at vox.com/today-explained-podcast.A caveman using tools in his cave. Photo via Getty Images.Learn more about your ad choices. Visit podcastchoices.com/adchoices