War Plane Drawing News Today

Fighter 15 jet shot down an armed prosyrian ya regime drone than was in firing range of u.s. troops newer southern syria. this just a day after the u.s. shot down a syrian regime war plane drawing condemnation from russia. barbara starr is following all of us for us over at the pentagon. how are these tensions between the u.s. and russia hindering u.s. troops, coalition partners here and elsewhere in syria? >> reporter: the pentagon has been closed mouthed about this for some obvious reasons. th...