“The three-way meeting in Tehran had been seen by many as a final chance to prevent a large-scale battle in Idlib.” BBC: Syria war: Russia rejects Turkey’s calls for Idlib truce.

+ NPR: U.S. Envoy Warns That Syria Preparing To Use Chemical Weapons In Idlib. At this point, what’s to stop Assad?

+ Trump agrees to an indefinite military effort and new diplomatic push in Syria.