When it comes to business innovation these days, the cities of America’s Rust Belt do not come quickly to mind. Once hotbeds for manufacturing, these northern towns developed a reputation for skyrocketing unemployment and blighted neighborhoods. But reporter David Brancaccio has been traveling to some downtrodden spots along the rust belt and is finding surprising signs of economic life. Kokomo, Indiana–once written off as one of America’s “worst cities”–is now attracting some major international investments.