S5E218 - Expression: To Keep Someone On Their Toes

The other day, I was staring at my list of common Irregular Verbs, trying to think of a lesson I could create with 10 of them. Immediately, I saw some potential! Swing -> Swung, Broadcast -> Broadcast, Sleep -> Slept. 

Somehow the clump of words I selected led me to one of the most bizarre stories I’ve ever heard about U.S. culture and history: Dance Marathons of the 1930s and 1940s. Imagine people dancing for days on end, even sleeping while dancing, for the chance to win some cash. It’s a crazy story...