http://www.vox.com/2016/1/22/10815392/putin-russia-syria-assad
14 hard truths on Syria no one wants to admit
http://www.vox.com/2016/2/10/10958878/syria-truths
Syria's ceasefire: what it means and doesn't
http://www.vox.com/2016/2/11/10975722/syria-ceasefire-munich
Putin withdrawing Russian forces from Syria: why now and why it matters
http://www.vox.com/2016/3/14/11224544/putin-syria-russia-withdraw