so, it is slow going and i know the families are frustrated, but we want to go slow at this point in case there is somebody that has survived the collapse of this building. >> yeah, and it's really dangerous for all these firefighters, these rescue workers to go there, because it's such an unstable situation and there have been fires and water and it's raining once again. how significant of a factor is it, the fact that it rains, it's raining and certainly complicating this search and rescue operation. >> yeah, wolf, all of that together makes it a very complicated -- we don't know what kind of damage the fire did. obviously the rain doesn't help at all. plus we, the fire department, was pumping water in there to try to contain that fire that they couldn't even find. we had no idea where it was. so, all of that is part of that, and also now they're taking debris out and moving it and