Today on The Gist, Riveted author Jim Davies explains the cognitive science behind what we find compelling. Plus, author Ken Follett explains his methods for holding interest through thousand-plus-page novels. His latest is Edge of Eternity. In both of our interviews today, Mike asks a question inspired by Alex Blumberg’s new podcast StartUp. For the Spiel, Mike explores the history of the culture wars in America. Get The Gist by email as soon as it’s available: slate.com/GistEmail Subscribe to the podcast in iTunes: itunes.apple.com/us/podcast/slate…id873667927?mt=2