When you think of someone who's rich, who comes to mind? The billionaires of Silicon Valley, AI entrepreneurs or the titans of Wall St? But what about toilet paper and toothbrush manufacturers, chicken processors and burger chain owners? Chicago Booth's Eric Zwick talks about his book, "The Everywhere Millionaire: Who Is Really Rich in America and How They Got There." This is the first of two episodes about the book, which chronicles the rise of a class of mainly business owners with a net worth of at least $5m, and who are typically worth around $25m. How did Zwick discover them? How do they make their money? And what does their emergence as a group tell us about the American dream?