781 Potsdam; Emperor of Rome; On the Hippie Trail

We hear why the city of Potsdam — home to elegant Prussian palaces and parklands, all in quick reach of central Berlin — is worth a day's visit. Then we get a sense of what life was really like for the emperors of ancient Rome, with the help of classicist Mary Beard. And we travel back to 1978 with Rick and his longtime buddy Gene Openshaw as they retrace their post-college adventures along the infamous "Hippie Trail" from Istanbul to Afghanistan to India, all the way to Kathmandu.

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