Coby Lefkowitz, an urban planner and author of 'Building Optimism', shares his vision for transforming cities into vibrant spaces. He discusses the importance of integrating affordability and beauty in urban design, highlighting projects that emphasize human-centric design. Coby critiques the conventional view of architecture, advocating for a broader understanding that prioritizes community engagement. He also explores the evolving nature of cities, emphasizing that great urban spaces emerge from thoughtful planning rather than mere aesthetics.