Is there any day of the year that tests the capacities of affluent Americans’ French-door refrigerators as much as Thanksgiving? When else do you need to stuff a giant bird carcass, cranberries, pie crust, a wide array of vegetables, and more into a fridge already containing regular groceries? Then there’s the matter of storing the leftovers.In the past century, artificial refrigeration has completely transformed the American food system. Home refrigerators allow people to keep perishables for l