BROOKVILLE, Pa. -- Jefferson County's jail warden got a little tired of inmates throwing food despite repeated warnings not to, so he fought back. Warden David Riley recently started feeding misbehaving inmates a food loaf, made up of all the offerings at mealtime mixed together and formed into a loaf. "We microwave the food loaf before it is served," Mr. Riley said. "It's really not that bad." Jails across the country commonly serve food loaf as punishment for bad behavior. Some jails don't use the daily meal offerings, but instead use a recipe that includes ingredients like wheat bread, beans,...