Ted Smith, the founder and senior strategist of the Silicon Valley Toxics Coalition, looks at some of the most harmful things we throw away. Then, Tim Gallagher tells us about his recent sighting of the ivory-billed woodpecker, which had long been considered extinct. Next, Paris Review editor Elizabeth Gaffney describes her first novel: Metropolis. Finally, actress Vanessa Redgrave and director Tony Harrison tell us about their current production of Hecuba at the Brooklyn Academy of Music.