John Szczerbinski and Kristina Frahm lead after Thursday’s high-scoring first round of the 2013 Team USA Trials in suburban Las Vegas, the United States Bowling Congress reported. Competing on the 40-foot Team USA Athens pattern at Sunset Station’s Strike Zone Bowling Center, Szczerbinski led the 171 men with a six-game total of 1,516 (252.67 average) that included a 299 game, while Frahm led the 85 women with 1,376 (229.33 average). “I felt like I had the right ball in my...