Should the U.S. keep many troops in Afghanistan?

Aired: 10/6/2015 | 0:06:54 | Clip
With a surge by the Taliban and the Islamic State's entry into Afghanistan, does the future role of the U.S. military in that country need to evolve? Judy Woodruff talks to Scott Smith of the United States Institute of Peace and retired Lt. Gen. David Barno, former commander of Coalition Forces in Afghanistan, about keeping troops on the ground and the strike on Doctors Without Borders.