'Westworld' is back. Should you saddle up and join the posse?

A long time ago, when the galaxy far, far away barely even existed in the mind of its creator, there was Westworld. 
That 1973 movie, the directorial debut of novelist Michael Crichton, was built on what is now a shopworn premise: In the near future, rich folks visit a high-tech theme park, assured that nothing can go wrong, but something goes very wrong. (Crichton himself was to revisit the exact same premise two decades later, much more successfully, with Jurassic Park.) 
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