The United States has long heralded itself as a place where dissenters are welcome. But the country has a long history of ideological exclusion that stretches to present day. We discuss this with historian Julia Rose Kraut who dissects this trend in her new book Threat of Dissent: A History of Ideological Exclusion and Deportation in the United States, and examines how PEN America played a role in fighting against such exclusion.
