Casino and hotel employees show their support for US Sen. Barack Obama before the caucus begins at the Bellagio Hotel in Las Vegas, NV. More than 460 people went to the Bellagio to participate in Nevada's state caucus.   The Democratic Party set up at-large precincts for this weekend's caucuses in nine casinos on the Las Vegas strip.  The casino-based precincts gave roughly 200,000 workers on the Las Vegas strip the opportunity to participate in this democratic, pre-election experience.

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