Critics say last week's double-or-nothing gamble by Londoner Ashley Revell at the Plaza hotel-casino in downtown Las Vegas sent the wrong message about responsible gambling. Revell put up his life's worth of $135,300 and bet on red at the roulette table as a British film crew recorded the event. In Business Las Vegas, a sister publication of the Las Vegas Sun, reported Friday that some industry insiders think that taking the wager was a mistake. Read more from the Las Vegas Sun