HOW GAY IS OSCAR? I guess we wll know the answer to that, but this year's nominees are almost a hetero-shut-out. An unusually well-informed movie buff friend sent me the following email: Today's Oscar nominations must set a record of sorts for gays in Hollywood. Best Picture nominee "Chicago" was produced by Craig Zadan and Neil Meron, both openly gay, while another Best Picture nominee, "The Hours," had openly-gay Scott Rudin as producer. (The Pulitzer Prize winning book on which it is based was, of course, written by openly gay Michael Cunningham.) Two of the nominees for Best Director, Rob...