Editor's note: This segment was rebroadcast on Sept. 30, 2025. Click here for that audio. In the early 2000s, thousands of U.S. schools had their students race the clock to stack cups in gym class.

Viroqua Elementary School students were amazed and cheered with delight as they watched Jesse Horn demonstrate sport stacking. Horn, a 26-year-old world champion sport stacker, motivational speaker ...