Well oil prices are making US businesses rethink that trend. Interesting article shows US could see many new jobs in manufacturing due largely to increase in Chinese labor wages and steep rises in transporation costs caused by high oil prices.
http://www.businessweek.com/magazine/content/08_26/b4090038429655.htm?chan=magazine+channel_top+stories
http://www.businessweek.com/magazine/content/08_26/b4090038429655.htm?chan=magazine+channel_top+stories