What’s a pizza-loving person to do when the pie they ordered turns out to be a disappointment? After you’ve flung the offending pizza against the wall, that is? Papa John’s says it wants to turn those frowns upside down, by guaranteeing that customers will love their pizzas — and if not, they can get another one for free. Papa John’s is touting its new “Quality Guarantee” initiative to “underscore its commitment to delivering quality pizzas to customers,” the chain says.