Should we start thinking seriously about military intervention in Syria? Shadi Hamid answered affirmatively in a recent Atlantic piece that has sparked a lot of debate. The debate will likely intensify in the wake of Saturday's drama at the United Nations Security Council, where a resolution that would have called on Syrian  President Bashar al-Assad to step down was vetoed by Russia and China. Here Hamid, of the Brookings Institution, defends his thesis against Gregory Gause of the University of Vermont.

You can watch the whole conversation here.