Forklift driver Clyde Boyce takes inventory in the warehouse at a Michelin tire manufacturing plant in Greenville, S.C., on Tuesday, July 24, 2012. (AP Photo/Rainier Ehrhardt)

Photo by: Rainier Ehrhardt

Forklift driver Clyde Boyce takes inventory in the warehouse at a Michelin tire manufacturing plant in Greenville, S.C., on Tuesday, July 24, 2012. (AP Photo/Rainier Ehrhardt)