philip mudd in washington, i want to start with you and pick up what bret stevens was talking about. seems to be a pattern here, which is if you look at the london bombings, they seem to resemble this one in this sense. second generation, first generation immigrant but clearly almost always muslim immigrants. something goes wrong in their assimilation and that is a trigger that puts them on the path to radicalization. when you were in the cia you must have been studying these london bombers, for example. do you think this is something to make 0 of that. >> a better example in terms of what we saw in london is minneapolis that was energized by what happened including american support for -- as a law enforcement and intelligence practitioner is inclusiveness in america. as a law enforcement tool, i worried all along when i was in the business that americans would start to say as a result of events like this that there are real americans and other americans. that kind of mentality if we ever get it will accelerate i think these cases of radicalization. kids like this when they take the