I was sickened, like a body blow. And so somehow, i just got my act together, and i just started talking. The tragic loss of the Space Shuttle Columbia on her 28th flight, the 113th shuttle mission, 16 days seemingly flawless ending with a sudden and seemingly inexplicable disintegration over northeast texas. Things happened very quickly. There was a conversation, a transmission from rick husband, the shuttle commander, sort of half of a roger, if you will, that kind of thing, and it was all over. Lets try to put together what we know and give you a sense of where this investigation might be headed