Did Montezuma Surrender? Debunking the Myth o...

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America Loves Trains. Why Can’t We Build Them Anymore? Inside NYC’s Second Avenue Subway

It takes decades to build a new subway line in the United States. Meanwhile, China is building entire high-speed rail networks in just a few years. So, how did America's once-great love of trains get derailed? We use New York City’s Second Avenue Subway as a test case to answer t ... Show more

. 34min 35sec

Can We Add a Fifth Face to Mount Rushmore? The History and Future of the Monument

Could a new president ever be carved into Mount Rushmore? It depends on who you ask. We call up historian Matthew Davis (author of A Biography of a Mountain: The Making and Meaning of Mount Rushmore) to learn about the history of the monument and what its future might hold. It’s ... Show more

. 38min 0sec