you're saying we wouldn't have seen something like this even three years ago. >> we talk about operational impact, about how many village isis has taken, how many air strikes or drone strikes. i think equalitily important is the critical impact of the isis ideology. we've seen beheadings of christians in north africa, a few years ago you would not have heard about the afteria in the sinai desert, and suddenly they say i'm affiliated with isis, think took off the street, and midsummer, this hostage, they killed him. i think the real bottom line is not that isis is expanding operationally, but other groups are saying i like this idea, this idea gains international impact, i'm going to sign up. >> taking part in their strategy. >> that's right. >> julia, your piece that you have out in the "huffington post" is fantastic, an in-depth