"There are indeed more undocumented Mexicans living in the United States than there were 20 years ago, but that is because fewer migrants are returning home — not because more are sneaking into the country. And the reason that fewer Mexican citizens are returning home is because we have stepped up border enforcement so dramatically. Mull over that last point for a minute. If Congress had done nothing to secure the border over the last two decades — if it had just left the border alone — there might be as many as 2 million fewer Mexicans living in the United States today."

— Princeton Alumni Weekly: Crisis Contrived