it out to the end and the syrian regime is close by with an eye on getting back as much territory as it can. >> nick paton walsh reporting for us in syria. a lot to discuss with barbara starr. cnn investigative reporter, michael weiss, co-author of "isis, inside the army of terror." barbara, if or when isis does lose control of raqqah and mosul, what kind of an effect will that have on its overall strength? >> well, look, it takes away one of its biggest propaganda values to radical people around the world, people who radicalize. it can no longer really claim it's an islamic state. it takes away their state. but they still have considerable propaganda value. people get inspired by them. they can still recruit overseas potentially. they can still inspire terrorist lone wolf attacks, if you will, in europe. we're already seeing that of course in recent weeks and