In the early twentieth century the vast majority of mass production industries were unorganized in the United States. Efforts to replicate the success of the United Mine Workers, brewery workers, and the garment trades were largely unsuccessful until the 1930s when the Congress of Industrial Organizations changed everything. Fragile Juggernaut tells this story with a narrative that spans from the mid-nineteenth century to the 1950s. Andrew Elrod joins us to discuss why this history is important and what organizers can learn from it today.