President Trump wants to ramp up denaturalization — revoking citizenship from Americans who were born elsewhere. It’s a practice with a long and controversial history.

This episode was produced by Denise Guerra, edited by Jolie Myers, fact checked by Laura Bullard, engineered by Andrea Kristinsdottir and Patrick Boyd, and hosted by Sean Rameswaram.

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Immigrants take the oath of allegiance during a naturalization ceremony. Photo by JOSEPH PREZIOSO/AFP via Getty Images.

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