u.s. what options do they have? certainly some of the moderate rebels that were on the ground here, they strive to cut a deal with the kurds. you know there is already some talks going on, so it certainly makes it difficult for them and you can see them losing faith in the united states, wolf. >> those kurds have certainly lost a lot of faith. fred pleitgen in damascus, john kirby in washington, thank you. they have pin pointed the source of a nerve agent attack on a former russian spy and his daughter, and it all leads back to russia. ♪ come fly with me, let's fly, let's fly away. ♪ ♪ come fly with me, let's fly, let's fly away. ♪