Brigham Young gets a lot of credit as the "American Moses," but it's nothing compared to the work Joseph Smith did to earn that title. After July's episode on the Book of Mormon as a text, we're exploring the origins of Mormonism and the Latter Day Saint movement within the broader category of millennial restorationists. What did the early Mormons believe? What's the deal with polygamy? This week's episode is the first half of a two-part exploration of the Mormon tradition.