Too bad the shrink-to-the-stars sitcom "Head Case" airs on the pay- cable channel Starz, because it's really deserving of a wider audience. It's one of those shows Fox would cancel in a heartbeat, and I mean that as a compliment.
In an Emmy-worthy performance, Alexandra Wentworth ("Office Space") plays Dr. Elizabeth Goode, a therapist whose clientele is comprised solely of B-, C- and Z-list celebrities. They've got problems, but they're nothing compared to those of Goode herself. For one, she's obsessive over her one-way relationship with boyfriend-cum-fianc