Remember the Titanic? It didn't have to sink the way it did. They had plenty of warning about the waiting icebergs but they decided to go full steam ahead. How about 911? The FBI got several bits of valuable data way ahead of the disaster and decided to do nothing. The ego-saturated administrators knew better. How about the Challenger Shuttle? The big explosion? The little engineers were overruled by the executives. There's a danger in thinking that you know everything. All I know is that this opera singer is rather pretty. Who is she?