This book examines how progressive and left-leaning political movements in the United States have lost the support of working-class voters and offers strategies for regaining that support. Focusing on the “diploma divide” between college-educated liberals and non-college-educated working-class citizens, the author analyzes how cultural and class dynamics have driven political shifts to the right and proposes ways for the left to bridge these gaps without sacrificing core values. The discussion is grounded in contemporary American politics and includes case studies and policy arguments