In the early twentieth century, anarchists like Emma Goldman and Alexander Berkman championed a radical vision of a world without states, laws, or private property. Militant and sometimes violent, anarchists were heroes to many working-class immigrants. But to many others, anarchism was a terrifyingly foreign ideology. Determined to crush it, government officials launched a decades-long “war on anarchy,” a brutal program of spying, censorship, and deportation that set the foundations of the modern surveillance state. The lawyers who came to the anarchists’ defense advanced groundbreaking arguments for free speech and due process, inspiring the emergence of the civil liberties movement.

Today’s guest is Michael Willrich, author of “American Anarchy: The Epic Struggle between Immigrant Radicals and the US Government at the Dawn of the Twentieth Century.” We look at this tumultuous era and parallels with contemporary society.

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