FILE - In this May 31, 2011 file photo, players compete in a Heads-Up poker tournament during the World Series of Poker at the Rio hotel and casino in Las Vegas. At the height of the poker fad, Las Vegas couldn't get enough of poker rooms. Now some of those rooms are folding. Four casinos yanked their poker tables last year, including the Tropicana, and three other rooms closed shop in 2011. (AP Photo/Eric Jamison, File)
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