Ghaith Abdul-Ahad travels deep into Yemen's radical heartland to investigate how Al Qaeda and affiliated militants have seized areas in southern Yemen and are winning some popular support.
This excerpt from "Organ Farm" conveys the promises, risks and medical and public health challenges society confronts with pig-to-human transplants.
In 1999, at the age of 21, Amanda Davis suffered a massive stroke paralyzing her body's left side. She decided to become the fifth person to volunteer for an
experimental clinical trial which involved injecting pig neural cells into her brain. This 14 minute videoclip tells her story.
