"Perhaps," wrote Ralph Ellison more than seventy years ago, "the zoot suit contains profound political meaning; perhaps the symmetrical frenzy of the Lindy-hop conceals clues to great potential power." As Ellison noted then, many of our most mundane cultural forms are larger and more important than they appear, taking on great significance and an unexpected depth of meaning. What he saw in the power of the Lindy Hop--the dance that Life magazine...