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Italy and Sweden are about as different as two European countries can get. One is Catholic, Mediterranean, sunny and chaotic; the other Protestant, northern, chilly and ordered. Over the decades, they have had very different political trajectories. But now, both are witnessing the striking rise of parties that have some connections to fascism.

In each country, this rise has coincided with a collapse of support for the center left. And it all centers on an issue that the Biden administration would do well to take very seriously: immigration.

Fareed Zakaria is a syndicated columnist. His email address is fareed.zakaria.gps@turner.com.