The downward drift in Kirstie Alley’s career – some cynics would say, her physiognomy – was never more evident than when she starred in the cable TV series, “Fat Actress” (Showtime, 2005). The one-time sexy starlet, who had skyrocketed to fame by first playing Lt. Saavik in the classic film “Star Trek II: The Wrath of Khan” (1982), followed by successfully replacing Shelley Long as the neurotic but sympathetic barkeeper Rebecca Howe on the long-running hit TV sitcom “Cheers” (NBC, 1982-1993), was now reduced to playing herself: an overweight, aging actress trying to revive her Hollywood