there are still efforts to create larger, more sophisticated, more coordinated attacks on a grander scale, not necessarily a 9/11 scale, but something of a larger note. and so, the concern within the community, within law enforcement and intel is what's still going on in that regard. and so, there's a tremendous amount of work that goes on off the radar screen to try to figure that out and to try to, again, minimize, disrupt, prevent. but while our attention right now is focused on these lone wolf or these small-scale attacks, believe me, isis, al qaeda elements and others -- >> they have not given up on their goal. >> -- their goal is a larger, more coordinated attack elsewhere. >> and art, as we've been discussing, and hopefully you're still with us -- >> yes. >> this is what it appears to be, one man, at the moment, one man with a hammer attacking police outside notre dame. but the fact that it was, if i put it this way, just a hammer, does it make it any less concerning in the realm of security officials in what they