The policy began in secret. The Trump administration denied such a policy existed. And when it finally acknowledged that migrant children were being separated from their parents at the border, chaos ensued. Only now is the full picture of what happened and why becoming clear. Guest hosts: Annie Correal, who covers New York City for The New York Times, and Caitlin Dickerson, an immigration reporter at The Times. For more information on today’s episode, visit nytimes.com/thedaily.