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.

Lisa explores sex trafficking in Washington, DC.

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.

From pageant parents to a "tiger mom" to parents who opt for radical "un-schooling," Lisa Ling explores the world of extreme parenting and discovers what these moms and dads have in common: they all believe their path is the best for their children.

Ever wonder what happens after the cameras shut off and the Our America crew leaves? Find out how live has changed for some of the most compelling individuals from this season of the show when Lisa Ling pays them a visit.