As the suburbs continue to evolve into economic hubs around office/industrial parks and shopping malls, they continue to attract a large population of millennials whose presence redefines these areas to mirror the best attributes of established core cities. New zoning, permitting higher-density development, combined with adaptive use of obsolete buildings including enclosed malls, light-rail connectivity, pedestrian-friendly mixed-use clusters, and the integration of cultural, educational, and entertainment amenities are all combining to create “not your father’s suburbs.” Why are these more successful in some areas like Tysons Corner, Virginia, and King of Prussia, Pennsylvania, while others like the Jamestown Mall in St. Louis, Missouri, and the Eastland Mall in Charlotte, North Carolina, continue to struggle?