Representatives from Boeing Co. and the machinists union met with a federal mediator Thursday as the clock ticked on an unusual two-day contract extension after union production workers soundly rejected a contract offer and voted to strike. Boeing workers, including Jackie Vaden, center, and Debbie Anderson, right, rally in favor of a strike against the Boeing Co. Wednesday, Sept. 3, 2008, at Machinist union headquarters in Seattle. The mood quickly turned to displeasure after union leaders announced that despite a vote by workers to reject the Boeing's contract offer and go on the strike, the union had agreed to return to the table for 48 hours of contract negotiations with the Boeing Co. Their walkout was set to begin at 12:01 a.m. PDT Thursday but was put on hold after their expiring contract _ covering more than 27,000 workers _ was extended 48 hours at the request of Washington Gov. Chris Gregoire and a federal mediator. Boeing workers, including Paul Burton, lower center, rally in favor of a strike against the Boeing Co. Wednesday, Sept. 3, 2008, at Machinist union headquarters in Seattle. Their walkout was set to begin at 12:01 a.m. PDT Thursday but was put on hold after their expiring contract _ covering more than 27,000 workers _ was extended 48 hours at the request of Washington Gov. Chris Gregoire and a federal mediator. The mood quickly turned to displeasure after union leaders announced that despite a vote by workers t ...