We start today’s show with Michael Scheuer, who talks about 10-year search for Osama bin Laden and his death. Rufus and Martha Wainwright performing live in our studios! Artist Richard Tuttle discusses his work and his new exhibit at the Pace Gallery called “What’s the Wind.” David Sanger of the New York Times, discusses what Osama bin Laden's death means for the Arab world. Luis Carlos Montalvan earned two Bronze Stars and the Purple Heart, and he talks about how a golden retriever helped him recover from his combat injuries. Plus, we’ll examine the growing problem of food scarcity and its political consequences around the world.