

Lisa Ling begins Season 2 by exploring homemade sex films on the Internet, and how the widespread availability of online pornography has affected Americans' sex lives and relationships.

A report on plural marriage in the U.S. focuses on the polygamous community in Centennial Park, Ariz.

Exploring problems facing U.S. veterans returning from Iraq and Afghanistan. Host Lisa Ling visits a suicide hotline for veterans in New York City and a veterans' retreat in New Mexico.

Human individuality is explored in a report on identical twins.

Exploring the rate at which black men are incarcerated, and ways to reduce it. Included: case studies.