The crinkle of plastic wrappers was a certain indicator that the flight attendant was coming. I pried an earbud from my ear and twisted around in my seat. Sure enough, there she was, balancing a blue bin of Southwest snacks on her hip. Efficiently, she moved down the tight aisle, distributing snacks and smiles to sleepy passengers. When she reached our row, she smiled at me. “Oreos or pretzels?” she asked. I returned the smile. “Oreos!” She delivered the small, blue package
