UFC Freedom 250, staged on Sunday night on the South Lawn of the White House, was mostly an impressive show. The main event, which pitted the second-ranked pound-for-pound fighter in the world, Ilia Topuria—the German-born lightweight champion who represents Georgia—against American underdog Justin Gaethje, lived up to its billing . Military personnel on hand chanted “USA! USA! USA!” Gaethje, 37, bloodied Topuria’s face and delivered a wicked knee to his ribs. Meanwhile Topuria, 29, continued