Angel Mills worked at GST AutoLeather in Williamsport, Md., most of her adult life. She cut, inspected, packed and shipped leather upholstery until she was laid off in June 2003 as the company scaled back local operations and shifted production to Mexico. "It's sad. It's scary. I've been a factory worker all my life, and I didn't know what I wanted to do," said Ms. Mills, a 38-year-old Williamsport resident with a teenage son. But by March 2004 she was taking a half-year course to become a state-licensed massage therapist. A federal program that helps workers who lose jobs owing...