I’m not alone in my longing. Advertisements, movies, greeting cards all tweak our American longing for simplicity during the holidays, even as we transform Thanksgiving, Christmas, and the rest of the December celebrations into trials of endurance. Thanksgiving began as a quiet holiday with a turkey and a pie. Shopping on Friday? That was okay, especially if you were the one who spent Thanksgiving in the kitchen. But then the shopping part got its mitts on Thanksgiving Day, r