Even though the town of Hazelton, Pennsylvania enacted strong measures to discourage migration -- measures whose constitutionality is still being tested in court -- migration has continued, and a recent study has documented the economic benefits.
Meanwhile, Baltimore, Maryland is actively encouraging immigrants to move in to a city with many serious problems but still much to offer, and certainly plenty of inexpensive housing in need of occupants.
|Baltimore row houses, image from the work of
sociologist and photographer David Schalliol.
For more on immigration, see what it has meant for Mitt Romney.