Another personal story I wanted to add on this topic.
Our daughter was was in a Broadway play that year, and, as another poster mentioned, decided she wanted to leave NYC after the 9/11 experience.
As it turned out, she moved back to CA and got a great TV deal. Although she will never forget all of those lost on that terrible day, the decision to move actually gave her the life of her dreams, and she will always remember that as the turning point of her career.