Bertha Martinez and Shaquanna Spence tell us about their experiences being caught up in the city's homeless shelter program. They're among eight homeless New Yorkers profiled by journalist DW Gibson for his latest piece in New York Magazine. Gibson will also join us to discuss what he learned while reporting on the city's escalating homeless crisis. Author Mark Harris and director Laurent Bouzereau discuss their documentary series, “Five Came Back: A Story of Hollywood and the Second World War.” It follows five Hollywood directors who put their lives on hold to film the war. Novelist Lisa See discusses her latest book, The Tea Girl of Hummingbird Lane. It follows Li-yan, a woman who is part of the Chinese ethnic minority known as the Akha, and the young daughter she gives up for adoption. This week’s Please Explain is all about birdwatching. We chat with ornithologist David Allen Sibley, a leading expert in the field.