The national parks are loved by many Americans and visitors from around the world. Yet, few realize how often these landscapes and their history have been shaped by questions answered in the courts. With more than 3,500 lawsuits involving the National Park Service, litigation has shaped and defined the character of the parks. Litigation has determined how land can be added to national parks, answered questions about treaty and free speech rights on park land, and settled numerous other disputes that have helped determine what the parks look like today. In her new book National Parks and the Supreme Court: Groundbreaking Legal Battles (University of Nevada Press, 2026), Carla Chung Mattix examines five landmark Supreme Court cases involving national parks over the course of nearly a century. These cases provide readers with a new lens to understanding the parks and help them understand the role of the courts in the nation's public lands. In this episode, Mattix, who was an attorney for the National Park Service in the U.S. Department of the Interior's Office of the Solicitor for 25 years, discusses her new book and the Court's influence on the national parks.

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Underground Leviathan: Corporate Sovereignty and Mining in the Americas (U Nevada Press, 2024) explores the emergence, dynamics, and lasting impacts of a mining firm, the United States Company. Through its exercise of sovereign power across the borders of North America in the early twentieth century, the transnational US Company shaped the business, environmental, political, and scientific landscape. Between its initial incorporation in Maine in 1906 and its final demise in the 1980s, the mining company held properties in Utah, Colorado, California, Nevada, Alaska, Mexico, and Canada. The firm was a prototypical management-ruled corporation, which strategically planned and manipulated the technological, production, economic, urban, environmental, political, and cultural activities wherever it operated, all while shaping social actors internationally, including managers, engineers, workers, neighbours, and farmers.

In this study, he aims to unearth the hidden relationships between communities that transcend national states. Throughout the book, the author points out how modern corporations are run by a kaleidoscope of interests and groups, and many of the issues they face are relevant today.

Israel García Solares was born and raised in the Xochimilco neighbourhood of Mexico City. I studied for an undergraduate and master's in economics at Mexico's National University (UNAM) and a PhD in History at El Colegio de México. García Solares is currently an Assistant Professor at the Institute for Research in Applied Mathematics and Systems at UNAM, and his research focuses on the global history of technological actors in the 20th century.

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Those who recognize Mayor George Moscone's name may think of him as the career politician who was assassinated along with Harvey Milk, but there was much more to this influential and fascinating man's story. He was a trailblazing progressive and powerful state legislator who was instrumental in passing legislation on issues ranging from LGBT rights to funding for school lunches. Moscone's 1975 campaign for mayor was historically significant because it was the first time a major race was won by a candidate who campaigned aggressively for expanding civil rights for both African Americans and LGBT people. He won his campaign for mayor chiefly because of huge support from those two constituencies. Moscone was also a very colorful character who, in addition to being a successful politician, was a charming and charismatic bon vivant who was deeply embedded in the fabric and culture of San Francisco. He grew up the only son of a single mother in Cow Hollow when it was a working class, largely Italian American neighborhood, and he became the kind of politician who knew bartenders, playground attendants, small business owners, and neighborhood activists in every corner of the city. Moscone's life and the history of San Francisco during the middle half of the twentieth century are deeply intertwined.

Through illustrating the life of Moscone, author Lincoln A. Mitchell explores how today's San Francisco came into being. Moscone--through his work in the State Senate, victory in the very divisive 1975 mayor's race, and brief tenure as mayor--was a key figure in the city's evolution. The politics surrounding Moscone's election as mayor, governance of the city, and tragic death are still relevant issues. Moscone was a groundbreaking politician whose life was cut short, but his influence on San Francisco can still be felt today.

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