Kevyn Orr, emergency manager for the city of Detroit

People have already fled Detroit in droves. Forty percent of its streetlamps don't work. Don't get sick there; you'll wait a long time for an ambulance. There's even talk about stripping the art from the walls of the city's museums to help pay off more than $18.5 billion in city debt.

Detroit's bankruptcy filing brings into sharp focus the decades-long decline of the once prosperous hub of American manufacturing. In its heyday, it was the nation's fourth largest city.