Snuggled on the sofa, steaming cup of coffee in hand, CBS Sunday Morning on the telly – that's as near perfect as it gets. The only thing better? This past weekend's entire show was dedicated to FOOD.   From the psychology of comfort foods to the King's Hawaiian origin story to the cultural mashup that resulted in Korean fried chicken, every segment was a winner.   But one story had me leaning in closer to the screen: cemetery markers etched with the signature recipes of the