A Final Showdown Looms in Syria. The UN Warns it Could be a "Bloodbath"

The Syrian war may be entering its final phase. Rebel fighters, from various factions, are now concentrated in Idlib, in northern Syria.  Idlib is the place to which civilians and members of armed groups were permitted to escape as part of evacuation deals from places like Aleppo and Eastern Ghouta as they fell to government forces. Millions of displaced Syrians and some armed groups are now concentrated there.    But now there is every indication that Syrian forces, backed by Russia, are preparing for battle.    My guest today is trying to warn the world how disasterous such a battle would be for c...