can come not only across borders but from violence that gathers within. there's a little cultural overlap between violent extremists abroad and violent extremists at home. again, the disregard for human life and determination to defy national symbols. they're children of the same foul spirit and it is our continuing duty to confront them. >> you know oliva, president george w. bush didn't name names but i think we all know who he's talking about. why -- do you think the american people take the threat of domestic terrorism -- i mean, american people at large, take it as seriously as a three of us on this screen do? >> yeah, i think it's a mix. i think it's very important for