DETROIT (AP) -- General Motors Corp. will eliminate 30,000 manufacturing jobs and close nine North American assembly, stamping and powertrain plants by 2008 as part of an effort to get production in line with demand and return the company to profitability and long-term growth. The announcement Monday by Rick Wagoner, chairman and CEO of the world's largest automaker, represents 5,000 more job cuts than the 25,000 that the automaker had previously indicated it planned to cut. GM said the assembly plants that will close are in Oklahoma City, Lansing, Mich., Spring Hill, Tenn., Doraville, Ga., and Ontario, Canada. A shift...