janine davidson, up until now now how effective has this coalition been against the islamic state?think it depends how you define being effective and it depends how you define progress in this entire thing. i think there's no doubt this is an unprecedented coalition, to be able to pull together the types of countries across this region to focus-- i mean, on the very first night of air strikes to have mathat many countries participating. i think that's kind of amazing. that's on a military perspective. but at the end of the day this isn't going to be fully military solution. that said, i think there is no doubt that we have sort of pushed back the advance of isis. you don't see them with a lightning speed they were taking over territory last year. they've stopped. and i think what they've done is they've taken control of places like raqqa in syria and mosul in iraq, and that's the greater military challenge. >> woodruff: derek harvey how do you size up the progress or not this coalition has made so far? >> i think we've made limited and halting progress. most of the progress has bee

++ñ#b] joining us now janine davidson former deputy assistant secretary of defense with the obama administration former air force pilot. thank you for coming. thank you what do you make of the "jihadi john" revelation? >> i think it sort of gets to the point that a lot of people think the people that are attracted to isis are poor, motivated by economic conditions andúr 5c ç we see and what the expertssí[ç have been saying for a long time is that that's not necessarily the case. he's from a middle to upper class family, he is educated and he has grievances and that is prime candidate for isis, who are trying to build a state. they need smart people. >> there have been indications for a while now that people knew who this guy was. what's the thinking behind not saying who he was? >> i can't say what the rationale. they need to be certain before the. come out with something like that. >> varying ideas have been conveyed hour serious a throw threat isis is, that's not to suggest it won't happen in the united states. >> that's right. i think we need to be vigilant and we also need to be practical an