The powerhouse Sun Prairie High School boys won their second straight U.S. High School Bowling National Championship team title in competition Saturday at St. Clair Bowl in Fairview Heights, Illinois, across the Mississippi River from St. Louis. Singles competition is on Sunday and the Cardinals’ Andrew Olson is the defending champion. My story from last year’s competition in Smyrna, Tennessee, is here. In the inaugural U.S. High School Bowling National Championship in July 2016...