President Donald Trump openly embraced the label “nationalist” at least twice this week, breaking an unspoken rule among presidents about a word that has a long, troubling and racist history.

There’s a key difference between nationalism and patriotism, according to the Rev. William J. Barber II, a prominent progressive Christian pastor and senior fellow at New York’s Auburn Seminary.

“Nationalism suggests a commitment to one country to a fault,” Barber said in a statement released by Auburn. “Patriotism is a love for country that is willing to call it to question and challenge its flaws.”

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