As Tishara Lee Cousino strides through the Terrazza, a snazzy ristorante in Caesars Palace, heads turn as fast as oranges on a slot machine. Only she doesn't get it. "I see so many pretty girls in Las Vegas," protests the Vegas native, as if to say, What's one more? "It's just like Los Angeles -- they're everywhere." And if not in the flesh, then on the billboards that feature gigantic, nearly nude showgirls. A year ago, Tishara was a secretary with a lifetime of dance classes behind her. Then came a providential trip to Los Angeles and the Playboy photo studios, and, ever since, the leggy beauty has been modeling and pursuing studies in alternative medicine. With two canine roomies -- a sheltie, Orion, and a collie, Goldie -- she recently moved from her mother's house into her own apartment. Miss May attends several dance classes every week but says she has given up on an early dream to become a dancer in Splash, the Riviera Hotel's long-running topless dance revue, a show ...
