Against the Wall

This season we’ve adopted walls as our loose theme, and architectural historian Louis Nelson joins Will and Siva to help frame the idea. At the University of Virginia, wavy brick walls enclose beautiful gardens. But as Nelson explains those walls once served a more sinister purpose. Drawing on this lesson from the past, our guest and hosts grapple with the meaning and function of walls in a democracy — along borders, in cities and in people’s hearts and minds.