LOS ANGELES -- The NBC hit sitcom Frasier, now in its 12th season will endin a bloody fight to the death, it was revealed today.
    Debuting in 1993 as a spinoff to the estimable comedy Cheers, most will not live to see the end.
    "Only one principal cast member will survive," said an NBC studio exec. "It's going to be a grisly, bittersweet goodbye that will tug on the heartstrings figuratively and literally." The ginal episode is tentatively titled "Revenge".