With speciality pizzas ranging from coal-fired to innovative gourmet pies crowding out chains for the sitdown crowd, the big three — Pizza Hut, Domino's, and Papa John's — are looking to retain dominance over the delivery game. So who's winning?A Breakdown Of The Big Three.Pizza Hut. For Pizza Hut, U.S. sales are up 5 percent in the first quarter after struggling last year. The turnaround is hot as the chain believes...
