Guests including Katie Couric, Sheryl Sandberg, Yang Lan, Mary Chapin Carpenter and others discuss Elizabeth Bishop's masterpiece on losses, great and small.

An exploration of Marianne Moore's great poem of marine life. Guests Al Gore, Jorie Graham, and scientists from Conservation International dive into her portrayal of the ocean's always-changing history, and its future in a warming world.

Elisa New talks with Mark Doty, Steven Pinker, Bill T. Jones, Simon Doonan and Jonathan Adler about "This Your Home Now," where a visit to the barber shop sparks a meditation on love, the AIDS crisis, and the satisfactions of getting older.