Dr. Jon Kabat-Zinn Discusses Meditation and Mindfulness.

Religion scholar Elaine Pagels lost her young son to terminal illness and her husband a year later in an accident. Her new book combines memoir and biblical scholarship to reflect on loss and faith.

Laura Dern is Amy Jellicoe, a health and beauty executive who returns from a post-meltdown retreat to pick up the pieces of her broken life in the new HBO series Enlightened. Dern and series creator Mike White talk about the tone of the show, and whether it's possible for people to really change.

Dr. Farmer worked to improve health care in the developing world. He died in Rwanda Feb. 21, on the grounds of a hospital and university he helped establish. Originally broadcast in 2011.