If you assume things have quieted down on the US-Mexico border, think again. The chaos and questions that have plagued the region for decades are reaching fever pitch while tens of thousands of lives remain in flux. How did we get here? Where — and how — are the children who were separated from their families? Are the administration’s latest crackdowns making any progress in preventing illegal border crossings? What big challenges are on the horizon? And what do those closest to the border see as the best way to handle the continuous flow of people looking to America for a better life?