http://www.wired.com/wired/archive/10.09/vegas.html

An important point in the article:
In Las Vegas, the casino has the right to bar anyone it wants. (Atlantic City has more "civilized" rules: The casinos can't bar card counters, however they can annoy and harass them with constant shuffles, dealer changes, and other countermeasures.)
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Bitt Faulk