How do gains by al-Nusra affect U.S. strategy in Syria?

How the U.S. is responding to the dynamics between rebel groups on the ground in Syria. More

Joshua Landis of the University of Oklahoma and Andrew Tabler of the Washington Institute for Near East Policy join Judy Woodruff to explore how the U.S. is responding to and affecting the dynamics between the various factions on the ground in Syria.

AIR DATE 11/6/14