Thousands of children and adults have crossed the southern U.S. border. For some, violence in their home countries pushed them to this risky journey. While the practice of separating families at the border has ended. Aout two thousand children have yet to be reunited with their parents. Emily Kephart from the legal advocacy group Kids in Need of Defense, tells us about the case of a six-year-old girl who for weeks has been held far from her father.Then UMBC political science professor Jeffrey Davis describes treaties and international laws that govern how refugees are treated, and promise them due process. You can read his piece on the US' 'zero tolerance' immigration policies at The Conversation.