nbc s lester holt is here with me in tucson. you ve been here, you ve talked to so many families and you had an interview with somebody yesterday so close to this tragedy who has such a sad story to tell. we all know the story by now of christine taylor green, the little girl who was with a neighbor. she wanted to meet the congresswoman, so this neighbor, suzie heilman took her there. and i talked to suzie heilman s husband, about the sense of guilt. and she s almost having wakeful dreams. i asked him about that. here he is. what kind of things has she expressed? the eyes of the man who was doing it, which will be kblazed in her memory forever. the realization that, indeed, they were hit. her crying out, christina,