Using the heavily marketed movie "Wicked" as his news hook, Bob explains that the beloved Wizard of Oz movie involved an allegory of the bimetallism debates of the late 1800s, including William Jennings Bryan's famous "Cross of Gold" speech. Bob fills in the details about the Wizard of Oz lore, and then explains the economics of bimetallism in the United States.

Bob's Book, Understanding Money Mechanics: https://Mises.org/HAP478a
The Wikipedia Article on the Political Interpretations of The Wonderful Wizard of Oz: https://Mises.org/HAP478b
The Wikipedia Article on the Wicked Novel: https://Mises.org/HAP478c