after the revolution, you had the growth of al qaeda affiliated groups, and, indeed general heftar's campaign was designed to root out those groups. i think what you've had in the wake of the campaign is not the decisive defeat of those groups, but rather their mutation. and this is what we're seeing now with isis. isis in libya is really peeling away a lot of members of these older post revolutionary jihadist groups that had affiliation to al qaeda. you've had the influx of volunteers that went to iraq and syria to fight with isis, libyans that went started returning last spring and last summer. and that formed the nucleus of isis. you had isis spread to all three of libya's major provinces. i think one of the things that makes this problem so confounding is we're faced with a terrorist problem in libya. that is embedded in a complex civil war. there's no government to work through. there's two competing factions. so the question again, and we face this obviously in iraq and syria and yemen is what partner do we assist on the ground. how do we work with forces on the ground? there's