PAGE SIX: 'Diner' closer to stage
Things are starting to cook for Barry Levinson's "Diner." Sources say the musical, based on his 1982 autobiographical movie of the same title, had a "creative workshop" " with Levinson, composer Sheryl Crow and director Kathleen Marshall " just before the holidays, with "Book of Mormon" star Andrew Rannells reading the role of Fenwick, Annaleigh Ashford of off-Broadway's "Rent" the part of Beth and "Anything Goes" st…