Boeing Co. workers carry their green voting cards as they walk into the Machinists Union hall in Renton, Wash., Wednesday, Dec. 7, 2011. Boeing employees were voting Wednesday on a new four-year labor... more 
Boeing Co. workers carry their green voting cards as they walk into the Machinists Union hall in Renton, Wash., Wednesday, Dec. 7, 2011. Boeing employees were voting Wednesday on a new four-year labor contract that would keep production of a new version of the 737 airplane in Washington state and give Boeing years of stable union relations. (AP Photo/Ted S. Warren) less 
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Associated Press | Photo By Ted S. Warren
Wed, Dec 7, 2011 2:53 PM EST