Syrian Conflict May Be At A Turning Point

Are we seeing the endgame to the conflict in Syria? Melissa Block talks with Andrew Tabler, a senior fellow at The Washington Institute for Near East Policy and author of the book, In the Lion's Den: An Eyewitness Account of Washington's Battle with Syria. We ask Tabler about what the collapse of the Bashar Assad regime might look like and the possibility that government forces could use chemical weapons.