This year's Detroit auto show, one of the most important annual auto industry events, features a comeback from a rare source: Detroit. The North American car of the year is actually North American. Cadillac won the award for its ATS, the company's first win in the award's 20-year history. On it's 60th anniversary, Chevrolet also unveiled a new model of its classic Corvette, the Stingray. Al Jazeera's John Hendren reports from Detroit.
