Can Russia make a difference in Syria’s war?

Aired: 9/29/2015 | 0:07:47 | Clip
How will Russian intervention affect the Syrian war, and what are President Vladimir Putin's true motivations in sending in military aid? Judy Woodruff gets two views from Andrew Tabler of the Washington Institute for Near East Policy and Nikolas Gvosdev of the U.S. Naval War College.