Just weeks after far-left candidates won surprising victories in Democrat primaries in Pennsylvania, Florida, Michigan, Colorado and New York City for the Senate and House in the United States, the Alternative for Germany (AfD) party has won a widely predicted victory in the election last Sunday for the legislature of Sachsen-Anhalt, one of Germany's 16 federal states.

Most Democratic officeholders have rallied around their far-left nominees even as the Democratic Socialists of America national platform calls for abolishing police, prisons and immigration enforcement agencies. In contrast, Germany's long-established parties — Christian Democrats, Social Democrats, Free Democrats and Greens — have promised to continue to regard AfD as a "right-wing extremist" group and not to support any coalition with it.

Germany, in its commendable efforts to prevent any recurrence of or sympathy for its Nazi past, imposes limits on political activity Americans would find appalling. And the AfD in its beginnings in the 2000s, as Christopher Caldwell explains in First Things, had members and leaders with disturbing views.

Currently, some of its leaders have views many may consider odious, like supporting Russia over Ukraine, but it appears less likely than some leftist European parties to transgress the boundary between criticism of Israel and incitement against Jews.

The traditional parties' case for isolating the AfD today is based on one issue, the same issue that has enabled the AfD to sprint ahead of the traditional parties in national polls: immigration. As Caldwell explains, "The Sachsen-Anhalt AfD was classified as 'proven right-wing extremist' for its ethnic conception of German citizenship."

The AfD is not the only European party characterized as "far right" for its advocacy of limiting immigration by establishment organs like the London-based Economist and most dominant news organizations on the continent.

The establishment has looked benignly on immigration, including from Muslim countries in the Middle East, North Africa, sub-Saharan Africa and South Asia, as an economic boost for a Europe whose low native birth rates........

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