Those who study human behavior attribute hate speech more to deep personality issues than to a diagnosable mental illness. But they’re also intrigued by how the white supremacy movement is rebranding itself for the 21st century

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It’s not for lack of food. What explains this rapid rise in the number of people who need emergency food assistance? And why, in an era of declining poverty and hunger worldwide, are we suddenly facing four potential famines in unconnected countries?

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