CNN At This Hour With Berman and Bolduan May 21, 2015 15:17:00
Groups, groups like free syrian army, al nusra. they have been recently making big strides, successes against the regime. isis is in the conversation, if you like, falling behind. this is isis way of reclaiming, if you like. they are saying we're here. we're the big power. we're the big force in syria. it's an important statement. they haven't made a big statement in syria since the failed attempt to take kobani last year. this is a reminder to syrians and the rest of the world, we're in syria, not just iraq. >> it also doesn't hurt palmyra sits among gas fields as well as sits essentially on ...