The days when a U.S. team could walk into a world championships and count on collecting hordes of medals are long gone, as the sport’s growing globalization has erased U.S. dominance. And this is nothing but a good thing for a sport that has Olympics aspirations. As team qualifying and all-events competition concluded Wednesday at the 2018 World Youth Championships at Thunderbowl Lanes in Allen Park, Michigan, the Junior Team USA girls advanced to Thursday’s medal round, but the...