In 2001, after the fall of the Taliban, experts warned of a nightmare scenario. They projected that the Taliban and al-Qaida would leave Afghanistan and infiltrate neighboring Pakistan. There, they would find a relative sanctuary where they could establish new command centers, out of America's reach. With the U.S. military largely committed in Iraq, that scenario seems to be coming true. Frontline's senior producer Martin Smith joins The Takeaway to discuss the latest developments along the Afghanistan and Pakistan border.