Is the Golden State really the gold standard for assimilating immigrants? Four books illustrate the tensions, trade-offs, and ironies of California’s immigration policies.

If the Mexican border tells us anything beyond partisan dispute, it is that welcoming more migrants will require more policing.

Those who argue we have an immigration police state may well be right. But the alternative is an ever-larger pool of exploited labor at the bottom of U.S. society.

Trump’s hyperbole on the border has boomeranged against him, but Democrats should not accept opening the southern border to anyone who asks for asylum. That’s not even good for immigrants.

Remittances set off vicious cycles of debt and crime that push more Central Americans north.

Three recent books delve into the tough issues posed by underage migrants—and illuminate their oft-misunderstood reasons for coming here.