If you crossed Mitford, North Carolina, with Peyton Place, you might come up with Runnymede, Maryland, the most beguiling of Southern towns. In Loose Lips , Rita Mae Brown revisits Runnymede and the beloved characters introduced in Six of One and Bingo , serving up an exuberant portrayal of small-town sins and Southern mores, set against a backdrop of homefront life during World War II. "I'm afraid life is passing me by," Louise told her sister. "No,...