The 7,000-person strong caravan from Central America has made international headlines and been targeted by the Trump administration. But the roots of the refugee crisis that led to the caravan go much deeper.
Donald Trump's draconian immigration enforcement efforts face a basic challenge: the United States operates within an economic system that profits off immigrant labor.
The most comprehensive study on Mexican migration yet demonstrates how the past two plus decades of increasing border enforcement have led to the opposite of intended outcomes.
Through technological fixes and greater collaboration, the U.S.-Mexico border prepares for a smoother interchange of goods, while becoming an even more dangerous barrier for everyday people.
