The world has long since agreed on norms that give states the authority to regulate their borders and yet respect, as well, the right of people to seek a haven from political persecution and war. In normal conditions, this is a workable balance. Men and women who are driven from their homes by repression or strife are entitled to protection, whether temporary or permanent. The broader and less clear-cut question is how to treat people who move from their native countries not because they must, but because they hope to attain a higher standard of living. The right to act on that understandable
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