Las Vegas Sun

September 30, 2014

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Safe & Sound single-use breathalyzers are displayed during the Nightclub & Bar Convention and Trade Show at the Las Vegas Convention Center Wednesday March 26, 2014.  The crystals at left have turned green indicating a person has had too much to drink.

Steve Marcus

Safe & Sound single-use breathalyzers are displayed during the Nightclub & Bar Convention and Trade Show at the Las Vegas Convention Center Wednesday March 26, 2014. The crystals at left have turned green indicating a person has had too much to drink.