Esko softball and pitcher Keira Leach continued their run in the winner’s bracket of the Section 7AA softball tournament on Thursday, strolling past Aitkin 10-0 in Esko to claim a berth in Tuesday’s semifinal. Leach tossed a one-hit, five-inning shutout in the contest, while also going 3-for-4 with three RBIs. Clara Swanson was 3-for-4 with a double and two RBIs. Second-seeded Esko will meet fourth seed Rush City on Tuesday in Grand Rapids for t…