With Mexican auto manufacturing boom, new worries

RAMOS ARIZPE, Mexico — In the division of labor that has long governed North American auto manufacturing, the Big Three and other companies typically built their top moneymakers in the United States, using their Mexican plants to produce smaller, cheaper cars with lower profit margins. But that division is breaking down. As Mexico cranks out of vehicles and attracts billions in new investment, Mexican auto workers are increasingly able to match the skill and productivity of their U.S. counterparts — and at a fraction of the wages. (The Washington Post;/Mexican Auto Industry Association; Int’l Organization of Motor Vehicle Manufacturers) - Mexico's automobile boom;...