What do you get when you combine a coma-inducing career, an ardent academic, and a nefarious nemesis? A Vicki Bohanan hangover cocktail.Your favorite bartender babe is back and cutting a trail through a new vocation, with a college class tucked between briefs instead of sheets, and an alarm clock in two - er, tow. It's no secret that a sleep-deprived Vicki is a volatile Vicki. Especially when a certain Texas Ranger goes MIA. And...