I didn't watch the vid. Here's the bio on the historian:
Ruth Ben-Ghiat is an American historian and cultural critic. She is a scholar on fascism and authoritarian leaders.
[1] Ben-Ghiat is Professor of History and Italian Studies at New York University.
Born in the US to an Israel-born Sephardi father and a Scottish mother, she grew up in Pacific Palisades, California.
[2][3] She graduated in History at UCLA and obtained a PhD in comparative history at Brandeis University.
[4] A member of the American Historical Association since 1990,
[5] she is Professor of History and Italian Studies at New York University.
[6] She regularly writes for cnn.com,
[7] The Atlantic and
The Huffington Post.
[8]
Source:
https://en.wikipedia.org/wiki/Ruth_Ben-Ghiat