What makes The Power Broker endure 50 years on? Roman Mars and Elliott Kalan sit down with legendary author Robert Caro to explore the humanity, drama, and untold stories behind his iconic book. Recorded live from the New York Historical Society.

Roman, Elliott, and Robert Caro: Live in Conversation

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This is the eleventh official episode, breaking down the 1974 Pulitzer Prize winning book, The Power Broker by our hero Robert Caro. 

This week, Roman Mars and Elliott Kalan sit down with Brennan Lee Mulligan, a comedian and host with Dropout TV, where he’s the creator of Dimension 20 — a Dungeons & Dragons show that features incredibly complex and campaigns, with improv actors and special effects. And as the Dungeon Master, Brennan leads these stories. Season three of Dimension 20 takes place in a magical New York City, where the main villain is a fictionalized, undead Robert Moses, who shares the real Robert Moses’s passion for building roads and destroying lives through bureaucracy.

Elliott and Roman also cover the second section of Part 7 (Chapter 42 through Chapter 46), discussing the major story beats and themes.

The Power Broker #11: Brennan Lee Mulligan

Join the discussion on Discord and Reddit.

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Roman talks with The Memory Palace creator Nate DiMeo, whose new book brings his poetic history podcast to life on the page. They explore how moments of wonder and empathy shape Nate’s stories, turning forgotten history into something intensely personal. Plus, Roman shares two beautifully haunting tales from The Memory Palace that remind us just how close the past really is.

The Memory Palace: True Short Stories of the Past comes out November 19th and will be available everywhere books are sold. We highly recommend you check it out!

The Memory Palace...Book!

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As the last warmth of summer fades, Riis Beach—a hidden queer oasis behind a decaying hospital—faces a new reality. With its shadowy protector demolished, can this haven survive in the open, or will its magic disappear with the ruins?

Meet Me at Riis

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Remember when grocery shelves went bare and cargo ships clogged the California coast? That chaos wasn’t just a pandemic hiccup—it was a symptom of a supply chain stretched to its limits. With insights from Peter Goodman’s new book, discover the unlikely invention that made the modern supply chain possible—and why it’s now at risk of collapsing.

How the World Ran Out of Everything

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Every fall, a vacant Toronto storefront is possessed by Spirit Halloween, the pop-up shop haunting 1,500 empty spaces across North America. What does this seasonal invasion say about the retail apocalypse? And why are people so drawn to its eerie aisles? Explore the spooky rise of Spirit Halloween—where the scares are temporary, but the obsession is real.

Spirit Halloween

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This is the tenth official episode, breaking down the 1974 Pulitzer Prize winning book, The Power Broker by our hero Robert Caro. 

This week, Roman Mars and Elliott Kalan sit down with Clara Jeffery, the editor-in-chief of Mother Jones and the Center for Investigative Reporting. She’s had a long and storied career editing works of investigative journalism that speaks truth to power and afflicts the comfortable, including so she brings that perspective to her understanding of The Power Broker. Clara hadn’t read The Power Broker before and this podcast inspired her to pick it up and read along with us.

Elliott and Roman also cover the last section of Part 6 and the first section of Part 7 (Chapter 39 through Chapter 41), discussing the major story beats and themes.

The Power Broker #10: Clara Jeffery

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Today, we have three stories about designs meant to fool you. Camouflage meant to fool U-boats. Highways designed to fool your brain into going way faster than it should want to. And impeccably made fake signs meant to guide you to the right freeway. Three classic, favorite 99PI's completely updated, remixed, and rescored.

Trompe L'oeil

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In this bonus episode, Roman unearths the surprising story behind the 99% Invisible's name and delves into the unnoticed brilliance of everyday design—from the origins of reinforced concrete to the artistry of Japan’s manhole covers. 

This episode is sponsored by PNC Bank, where “brilliantly boring” means stability that allows you to focus on what truly matters.

Brilliantly Boring

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In the heart of Copenhagen, a former military base transformed into Christiania, a self-proclaimed anarchist commune where residents built a new way of living, free from traditional rules. But as the years passed, external pressures and internal conflicts—especially a growing drug trade—put Christiania’s radical ideals to the test, forcing the community to confront whether it can stay true to its roots or be reshaped by the forces around it.

If you want to learn more about Christiania – and hear other fascinating stories from around the world – be sure to check out Scott Gurian’s own podcast, Far From Home.

Christiania

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The unexpected story of how Alfred Nobel’s invention of dynamite—designed to build the world—was co-opted by anarchists to bring about its destruction. From revolutionizing infrastructure to arming political radicals, dynamite shaped the rise of both terrorism and modern law enforcement.

The Infernal Machine

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