For Christians all over the world, the Easter season is a time of renewal, rebirth and reflection. Here on BackStory, it’s an opportunity for us to reflect on the history of religious fervor in America. This time on the show, we’ll go in search of profound moments of spiritual effervescence — from the first Great Awakening of the 1730s and 1740s, to the megachurches and televangelism of the 20th century.