What is going on at the southern border? Yahoo News Explains

U.S. border officials are currently dealing with a massive influx of migrants, including families and unaccompanied minors, attempting to cross the southern border. More than 100,000 people were apprehended at the border last month — 9,457 of whom were unaccompanied minors. The struggle to safely house the volume of unaccompanied kids arriving at the border continues to present immense challenges for the Biden administration. Yahoo News Senior Reporter Caitlin Dickson explains.