Mr Light wrote:
I do wonder if they're going too far with the revelations pre-ROTS, though. Yoda is told there is another Skywalker, but doesn't tell anyone this until after ROTS?
Well, remember the context -- at this point, Luke and Leia haven't even been born yet. Probably this was in reference to Padme being pregnant (though I'm just guessing the timing allows for that).