this year which killed a number people in the swedish capital. there is a pattern of you see becks getting involved in these attacks. there was one in 2007 against a u.s. air force base, the ram stein base in germany that linked back to you sthem. in terms of vehicle attacks like this, it s very difficult, obviously, to prevent these sorts of things. unless we plan to turn ourselves into some sort of prison system where anywhere where there s large crowds and vehicles able to access them that we re going to cut them off. we re not going to do that. it can t happen in new york city or any crowded western city. the way to stop these attacks is the fbi has done a study of