Behind the Scenes: In Syria, in the Film 'Nightcrawler'

Journalist Reese Erlich unravels the complex power dynamics behind the Syrian civil war and why the conflict there matters here. Director Dan Gilroy and his brother and co-writer Tony Gilroy talk about their new thriller, “Nightcrawler.” Margarita Carrillo Arronte tells us about her new cookbook, Mexico, the first comprehensive bible of authentic Mexican home cooking. This week’s Please Explain is all about the history of—and medical guidelines for—quarantines.