Carrie Fisher bares all, metaphorically speaking, in her autobiographical one-woman show, Wishful Drinking. A long time ago (Oct. 21, 1956), in a galaxy far, far away (Burbank, Calif.), Carrie Fisher, the once and future Princess Leia Organa, was born to pop crooner Eddie Fisher and Singin’ in the Rain starlet Debbie Reynolds. Fisher dumped Reynolds (and his baby daughter) a couple years later for Reynolds’ former BFF, Elizabeth Taylor. But it was George Lucas,…