Alexandra McCowan opened a 176-pin lead in U12 girls, and Erin Klemencic soared into the U18 girls lead with the block of the day in Tuesday’s second day of U18, U15 and U12 competition at the 2023 Junior Gold Championships. McCowan, of Anaheim, California, had a 100-pin lead after Monday’s first round and then fired 765 (200-167-176-222) to total 1,565 for eight games, a 195.63 average, and extend her lead to 176 pins over 2022 U12 runner up Kennedi Spears of Glen Ellyn, Illinois,...