Null references (oh no, not again!)

[BCS]

Reply to Nick,

> Sometimes, when I'm in a particularly pessemistic mood, I get the
> feeling that regardless of its intent, 2001's biggest contribution to
> society was the creation of what to become one of science fiction's
> biggest plot cliches: People being put into danger by their own
> creations (2001, Matrix, Terminator, Battlestar Gallactica...and
> probably a whole ton of others I can't think of right now.)
> 

Sorry, that's not 2001: Frankenstein?