Plus, the booming Halloween economy.   Tune in every weekday morning. To get our full audio journalism and storytelling experience, download the New York Times Audio app — available to Times news subscribers on iOS — and sign up for our weekly newsletter.Tell us what you think at: theheadlines@nytimes.com.On Today’s Episode:With Election Day 2 Weeks Away, 15 Million Voters Have Already Cast a Ballot, by Nick CorasanitiTrump Says He Has Seen No Evidence of Cheating in the Election, but Nonetheless Sows Doubts, by Michael GoldHamas’s Guerrilla Tactics in North Gaza Make It Hard to Defeat, by Patrick Kingsley and Aaron BoxermanHow Aleksei Navalny’s Prison Diaries Got Published, by Alexandra AlterArkansas May Have Vast Lithium Reserves, Researchers Say, by Ivan Penn and Rebecca F. ElliottHalloween’s Mutation: From Humble Holiday to Retail Monstrosity, by Aimee Ortiz Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify. You can also subscribe via your favorite podcast app here https://www.nytimes.com/activate-access/audio?source=podcatcher. For more podcasts and narrated articles, download The New York Times app at nytimes.com/app.