This was a popular rumor that floated around the Internet and gained steam through the media. It proved to be false--Nostradamus never made any such prediction.
And even if he had, so what?
One of the things children--and adults--need in this situation is good, reliable information.
Much emphasis has been placed on the role that teachers and parents can play in addressing kids' emotional needs in the wake of the September 11th attacks. I think their intellectual needs are important, too. Most Americans I know were not only horrified by the attacks, but baffled. We're stammering, "Where did this come from?"
I've heard people say that schools need to do some teaching around this issue. But what should they teach? What would be relevant?