there is a lot of bad people in the world. it is obvious there are way more good people who are going to, you know, come together and get through times like this. >> thank you so much. i appreciate it. again, flowers, down here. a lot of tennis shoes, lots and lots of tennis shoes. we saw dr. jill biden, the vice president was here wednesday, for the memorial service for officer sean collier. and so dr. biden stopped by and she actually tied a pair of tennis shoes up on some of these barricades and these are the actual barricades that were used during the marathon. so they're up here right now. and who knows how long this memorial will actually be here in the heart of the back bay, in the heart of boylston street. it continues to remain and people continue to come down here, take pictures, pause, reflect, as the city continues to heal. we're back after this. at tyco integrated security, we consider ourselves business optimizers. how? by building custom security solutions that integrate video,