"The Irish were treated horribly, even here in Boston. For example, in the late nineteenth century they were treated pretty much like African Americans. You could find signs here in Boston in the restaurants saying "No dogs and Irish.""

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That's unfortunately common - to blame immigrants, to blame the African-Americans who are being helped by federal programs, to blame anyone available, to direct attention away from the roots of the distress which you're suffering. This combines with xenophobia, white supremacy, racism, misogyny, and other quite unpleasant phenomena which are far from being eradicated. All of this makes for a pretty dangerous brew. But economic issues are right in the center of it. And you can see this in the fact that so many former Obama voters now voted for Trump, or just didn't bother voting.

— Noam Chomsky