LAS VEGAS DATING SCENE Finding that one person to date, not just a "hook up," is like hitting the jackpot. Chances are one in a quintillion. Or, as gamblers put it, a chance. Where are the Holy Grail of Las Vegas men? Harper's girlfriends have tried speed dating, meet-up groups, and online dating with some success. Harper, chef and Miss Nevada runner up, decides to give online dating a try, as she doesn't want to be kissless on another New Year's...