large number of americans out of russia if it came to that, wolf. i want to go back to sochi. nick payson walsh is our man on the scene. are folks there, athletes, tourists, speck tay ttators, to are they nervous about a potential terror attack? reporter: at the airport this afternoon we saw the us a rhee trooeian ice hockey team, big guy, not scared of much, but their two female many members received that letter yesterday threatening them of kidnap. they were relaxed but one said they were going to take a decision as a group if they were going to leave the olympic village during the time they re around. i think that s the point the decision comes for so many people visiting here. it s pretty clear inside that ring there won t be many efforts. but when you move out into the town where the venue is, perhaps to the town of sochi itself, that s where the dragnet softens and the problems arise.