A string of primary wins by progressive candidates has revealed the strength of a high-energy insurgent movement but also its possible limitations.

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The case represents a new front in President Trump’s mass deportation drive: arrests at airports of people who have active immigration cases and no criminal history.

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Immigrants have long eased labor shortages on farms and factories in Italy. But churches also need foreign-born priests, like the Rev. Vincent Souly of the Ivory Coast.

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