From The Wall Street Journal:
Most places that have been receptive to the minors already have sizable immigrant populations and are led by Democrats. "These moderate to liberal mayors and governors are speaking to their constituents," said Louis DeSipio, a political science professor at the University of California, Irvine. "They are also giving the president some coverage by saying, 'We don't want these kids crossing but we will be responsible to the ones who are here.' "

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