The Global Machine Behind the Rise of Far-Right Nationalism

Johnny Castillo, a Peruvian-born neighborhood watchman in this district of Stockholm, still puzzles over the strange events that two years ago turned the central square of this predominantly immigrant community into a symbol of multiculturalism run amok.

First came a now-infamous comment by President Trump, suggesting that Sweden’s history of welcoming refugees was at the root of a violent attack in Rinkeby the previous evening, even though nothing had actually happened.

“You look at what’s happening last night in Sweden. Sweden! Who would believe this? Sweden!” Mr. Trump told supporters at a rally on Feb. 18, 2017. “They took in large numbers. They’re having problems like they never thought possible.”

That nativist rhetoric — that immigrants are invading the homeland — has gained ever-greater traction, and political acceptance, across the West amid dislocations wrought by vast waves of migration from the Middle East, Africa and Latin America. In its most extreme form, it is echoed in the online manifesto of the man accused of gunning down 22 people last weekend in El Paso.

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