![Toni Griffin: A new vision for rebuilding Detroit](https://pi.tedcdn.com/r/pe.tedcdn.com/images/ted/f5ebbf91eb093a2da2cfe1941724a3e55d222713_1600x1200.jpg?h=200)
Once the powerhouse of America's industrial might, Detroit is more recently known in the popular imagination as a fabulous ruin, crumbling and bankrupt. But city planner Toni Griffin asks us to look again -- and to imagine an entrepreneurial future for the city's 700,000 residents.