From plowing into a bank drive-thru for Candid Camera to getting an Oscar nomination for the screenplay of her second novel, Fannie Flagg's road to stardom has been a smidge unconventional. But, as the critics note, she serves up the literary equivalent of "big, juicy Middle American pie" in such novels as Fried Green Tomatoes at the Whistle Stop Café and Welcome to the World, Baby Girl!