U.S. flags flutter in the wind in front of the General Motors Corp headquarters in Detroit, Michigan November 7, 2008. General Motors Corp posted a worse-than-expected $4.2 billion operating loss and burned through $6.9 billion in cash in the third quarter as the top U.S. automaker struggled with a deepening sales slump that has forced it to seek a federal bailout. REUTERS/Rebecca Cook (UNITED STATES)