IT wasn't such a gay old time on Rosie O'Donnell's sapphic-friendly cruise. The recent inaugural outing of the former talk show queen's R Family Vacations was a bit of a financial flop. Marketed to gays, lesbians and their families, the sail on the Norwegian Dawn was 40 percent empty with more than 500 empty cabins and a loss of $250,000. Rosie's rep, Cindi Berger, claimed it was an acceptable loss, "due to high start-up costs which every new business experiences. The inaugural cruise far exceeded the company's expectations. R Family Vacations is rapidly selling out next summer's cruise and expects...