Next week, JD Vance and Tim Walz will face off in the only confirmed vice presidential debate ahead of the election. As voters look ahead to what their economic policies might be, we look back to see what they have said and done, and how it turned out.Planet Money's newsletter author Greg Rosalsky has spent some time combing through the economic records of Vance) and Walz), and has some knowledge to share. Why does Walz support universal free school lunches, and why do some criticize him for it? Why have some called Vance a "Khan-servative?" And, how much do these candidates represent a break from the past?*This episode was hosted by Nick Fountain and Greg Rosalsky. It was produced by James Sneed and Emma Peaslee. It was edited by Meg Cramer. Sierra Juarez fact-checked it, and it was engineered by Valentina Rodríguez Sánchez. Alex Goldmark is Planet Money's Executive Producer. Help support Planet Money and hear our bonus episodes by subscribing to Planet Money+ in Apple Podcasts) or at plus.npr.org/planetmoney).*Learn more about sponsor message choices: podcastchoices.com/adchoices)NPR Privacy Policy)