inspiring to see the way they're responding to this. this could crush a city in different circumstances. but boston seems to be rallying very, very hard here. >> oh, demonstrably so. we know what happened that day, we know how people stepped up. we see how they're staying in the city, going past the sensitive areas, laying flowers, consoling each other. saying they picked the wrong city, pal, the wrong city. they're tough and they have heart and it's going to get them through a difficult situation. >> thank you very much, indeed. well, the most heartbreaking story out of this tragedy, the death of 8-year-old martin richard. here he is in the photo taken last year holding a sign that reads "no more hurting people, peace." his mother and 6-year-old sister were seriously injured in the blast. joining me now is the richards'