Age cannot wither her, but it doesn’t improve her much either. Not when she is Elizabeth Taylor as Cleopatra. Age seems simply to have left her alone, as it often does with movie actors. But then the chance of time travel is very real, especially since a restored print of the film is now showing at various cinemas around the country. The trip doesn’t have to be nostalgic. It might be exploratory, a way of wondering what it meant to be the way we thought we were. Or the way they thought they were, if you feel remote enough from the occasion.