Sweden’s Filippa Persson, Junior Team USA’s Julia Bond and Gazmine Mason, and Malaysia’s Victoria Chin advanced to the singles medal round on Monday at the World Bowling Youth Championships at Sun Valley Lanes in Lincoln, Nebraska, the United States Bowling Congress reported. Persson became the third girl to roll a perfect game in the World Youth Championships as she totaled 1,390 for six games on the 45-foot Rome lane pattern. The two Nebraska Cornhuskers stars followed...