For many years, I have testified and written about Antifa and its growing anti-free speech philosophy. Some Democratic leaders have embraced this violent movement, which continues to gain strength on campuses and its cities across the nation. It is also a global movement. That is reflected in the alarming election of Antifa candidates to the French National Assembly as well as the European Parliament.  That is quite an accomplishment for a movement that President Joe Biden dismissed as “just an idea.”

As discussed in my new book, “The Indispensable Right: Free Speech in an Age of Rage,” I explore the history of Antifa as a movement that began in Germany:

“Antifa originated with European anarchist and Marxist groups from the 1920s, particularly Antifaschistische Aktion, a Communist group from the Weimar Republic before World War II. Its name resulted from the shortening of the German word antifaschistisch. In the United States, the modern movement emerged through the Anti- R...