Lead Wars, Hem Performs Live, Mars Rover, Nadeem Aslam's New Novel

4 segments

We’ll find out how the effort to protect children from lead poisoning became one of the most contentious and bitter battles in the history of public health. The Brooklyn-based band Hem perform songs form their new album “Departure and Farewell.” Adam Steltzner, the leader of the Mars Rover’s entry, descent, and landing team, and New Yorker staff writer Burkhard Bilger discuss the Mars Rover and the future of NASA. And Nadeem Aslam talks about his latest novel, The Blind Man’s Garden.