CAPE GIRARDEAU, Mo., (KBSI) — River City Swim Academy will join swimmers around the world this week in the World’s Largest Swim Lesson, an international event focused on promoting water safety and drowning prevention. The event is scheduled for 10 a.m. Thursday, June 25, at Cape Splash Waterpark. Organizers hope to attract more than 300 participants. Founded in 2010 by the World Waterpark Association, the World’s Largest Swim Lesson brings toget…